Finding the Fourth Proportional to 138,248.62, 207,423.61 and 58,306.70
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Solution
The fourth proportional to 138,248.62, 207,423.61 and 58,306.70 is: 87,481.43
Step by Step Solution
- Step 1: Write the proportion equation
138,248.62 : 207,423.61 = 58,306.70 : x - Step 2: Convert to fraction form
138,248.62/207,423.61 = 58,306.70/x - Step 3: Cross multiply
138,248.62x = 207,423.61 × 58,306.70 - Step 4: Simplify right side
138,248.62x = 12,094,186,573.98 - Step 5: Solve for x
x = 12,094,186,573.98/138,248.62 - Step 6: Final answer
x = 87,481.43
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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.