Finding the Fourth Proportional to 356,306.18, 534,446.30 and 106,981.70
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Solution
The fourth proportional to 356,306.18, 534,446.30 and 106,981.70 is: 160,468.66
Step by Step Solution
- Step 1: Write the proportion equation
356,306.18 : 534,446.30 = 106,981.70 : x - Step 2: Convert to fraction form
356,306.18/534,446.30 = 106,981.70/x - Step 3: Cross multiply
356,306.18x = 534,446.30 × 106,981.70 - Step 4: Simplify right side
356,306.18x = 57,175,973,732.71 - Step 5: Solve for x
x = 57,175,973,732.71/356,306.18 - Step 6: Final answer
x = 160,468.66
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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.