Finding the Fourth Proportional to 230,140.49, 317,631.71 and 144,132.05
Calculator
Solution
The fourth proportional to 230,140.49, 317,631.71 and 144,132.05 is: 198,925.93
Step by Step Solution
- Step 1: Write the proportion equation
230,140.49 : 317,631.71 = 144,132.05 : x - Step 2: Convert to fraction form
230,140.49/317,631.71 = 144,132.05/x - Step 3: Cross multiply
230,140.49x = 317,631.71 × 144,132.05 - Step 4: Simplify right side
230,140.49x = 45,780,910,661.71 - Step 5: Solve for x
x = 45,780,910,661.71/230,140.49 - Step 6: Final answer
x = 198,925.93
Related Problems
Find fourth proportional to 115,070.24, 158,815.86 and 72,066.03
Half scale
Find fourth proportional to 460,280.97, 635,263.43 and 288,264.11
Double scale
Find fourth proportional to 230,141.49, 317,633.09 and 144,133.05
Similar ratio
Find fourth proportional to 345,210.73, 476,447.57 and 216,198.08
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.