Finding the Fourth Proportional to 381,294.60, 571,946.22 and 115,057.68
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Solution
The fourth proportional to 381,294.60, 571,946.22 and 115,057.68 is: 172,587.82
Step by Step Solution
- Step 1: Write the proportion equation
381,294.60 : 571,946.22 = 115,057.68 : x - Step 2: Convert to fraction form
381,294.60/571,946.22 = 115,057.68/x - Step 3: Cross multiply
381,294.60x = 571,946.22 × 115,057.68 - Step 4: Simplify right side
381,294.60x = 65,806,805,157.97 - Step 5: Solve for x
x = 65,806,805,157.97/381,294.60 - Step 6: Final answer
x = 172,587.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.