Finding the Fourth Proportional to 234,141.13, 323,114.79 and 126,711.19
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Solution
The fourth proportional to 234,141.13, 323,114.79 and 126,711.19 is: 174,861.46
Step by Step Solution
- Step 1: Write the proportion equation
234,141.13 : 323,114.79 = 126,711.19 : x - Step 2: Convert to fraction form
234,141.13/323,114.79 = 126,711.19/x - Step 3: Cross multiply
234,141.13x = 323,114.79 × 126,711.19 - Step 4: Simplify right side
234,141.13x = 40,942,259,547.50 - Step 5: Solve for x
x = 40,942,259,547.50/234,141.13 - Step 6: Final answer
x = 174,861.46
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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.