Finding the Fourth Proportional to 356,387.67, 534,207.15 and 131,604.84
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Solution
The fourth proportional to 356,387.67, 534,207.15 and 131,604.84 is: 197,269.02
Step by Step Solution
- Step 1: Write the proportion equation
356,387.67 : 534,207.15 = 131,604.84 : x - Step 2: Convert to fraction form
356,387.67/534,207.15 = 131,604.84/x - Step 3: Cross multiply
356,387.67x = 534,207.15 × 131,604.84 - Step 4: Simplify right side
356,387.67x = 70,304,246,502.61 - Step 5: Solve for x
x = 70,304,246,502.61/356,387.67 - Step 6: Final answer
x = 197,269.02
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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.