Finding the Fourth Proportional to 381,344.85, 572,013.18 and 93,159.09
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Solution
The fourth proportional to 381,344.85, 572,013.18 and 93,159.09 is: 139,737.63
Step by Step Solution
- Step 1: Write the proportion equation
381,344.85 : 572,013.18 = 93,159.09 : x - Step 2: Convert to fraction form
381,344.85/572,013.18 = 93,159.09/x - Step 3: Cross multiply
381,344.85x = 572,013.18 × 93,159.09 - Step 4: Simplify right side
381,344.85x = 53,288,227,316.81 - Step 5: Solve for x
x = 53,288,227,316.81/381,344.85 - Step 6: Final answer
x = 139,737.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.