Yes, they are a 4 to 3 ratio.
60, 120, 180, 240, 300, 360, 420, 480, 540 . . .
60, 120, 180, 240, 300, 360, 420, 480, 540, 600.
The multiples of 120 are an infinite set that starts with 120, 240, 360, 480, 600, 720, 840, 960, 1080, 1200, and so on.
1/5 x 240 = 1/10 x 480 = 48
240, 480 and 720
120, 180, 240, 300, 360, 420, 480, 540 +60 . . .
60, 120, 180, 240, 300, 360, 420, 480, 540 . . .
60, 120, 180, 240, 300, 360, 420, 480 . . . ∞
60, 120, 180, 240, 300, 360, 420, 480, 540, 600
60, 120, 180, 240, 300, 360, 420, 480, 540, 600
60, 120, 180, 240, 300, 360, 420, 480, 540, 600.
60, 120, 180, 240, 300, 360, 420, 480, 540, 600
60, 120, 180, 240, 300, 360, 420, 480
The first 12 are: 60, 120, 180, 240, 300, 360, 420, 480, 540, 600, 660 . . .
60: 60, 120, 180, 240, 300, 360 420, 480, 540, 600, 660, 720, 780...
120, 240, 360, 480, 600, 720, 840 +120 . . .
60/120/180/240/300/360/420/480/540/600 etc.