Finding the Fourth Proportional to 397,423.20, 596,134.97 and 97,909.61
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Solution
The fourth proportional to 397,423.20, 596,134.97 and 97,909.61 is: 146,864.46
Step by Step Solution
- Step 1: Write the proportion equation
397,423.20 : 596,134.97 = 97,909.61 : x - Step 2: Convert to fraction form
397,423.20/596,134.97 = 97,909.61/x - Step 3: Cross multiply
397,423.20x = 596,134.97 × 97,909.61 - Step 4: Simplify right side
397,423.20x = 58,367,342,420.06 - Step 5: Solve for x
x = 58,367,342,420.06/397,423.20 - Step 6: Final answer
x = 146,864.46
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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.