Finding the Fourth Proportional to 234,141.11, 323,115.30 and 126,711.92
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Solution
The fourth proportional to 234,141.11, 323,115.30 and 126,711.92 is: 174,862.76
Step by Step Solution
- Step 1: Write the proportion equation
234,141.11 : 323,115.30 = 126,711.92 : x - Step 2: Convert to fraction form
234,141.11/323,115.30 = 126,711.92/x - Step 3: Cross multiply
234,141.11x = 323,115.30 × 126,711.92 - Step 4: Simplify right side
234,141.11x = 40,942,558,919.81 - Step 5: Solve for x
x = 40,942,558,919.81/234,141.11 - Step 6: Final answer
x = 174,862.76
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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.