Finding the Fourth Proportional to 260,882.19, 391,498.65 and 92,401.92
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Solution
The fourth proportional to 260,882.19, 391,498.65 and 92,401.92 is: 138,664.99
Step by Step Solution
- Step 1: Write the proportion equation
260,882.19 : 391,498.65 = 92,401.92 : x - Step 2: Convert to fraction form
260,882.19/391,498.65 = 92,401.92/x - Step 3: Cross multiply
260,882.19x = 391,498.65 × 92,401.92 - Step 4: Simplify right side
260,882.19x = 36,175,226,937.41 - Step 5: Solve for x
x = 36,175,226,937.41/260,882.19 - Step 6: Final answer
x = 138,664.99
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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.