How make multiple number value in cell adjust inline with a complete total BY AVERAGE

[Dando58]

Model	74	74	74
Model	150	216	272	216	100
Model	250	314	370	314	200
Model	130	196	252	196	100
Tota;	604	800	968	726	400

[#2]

It's not clear what the desired arrangement would be.

[#3]

@Patrick2788 

How would you make a column of cells value drop in accordance with, total total value off once cells