Finding the Fourth Proportional to 167,876.20, 251,722.14 and 115,298.92
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Solution
The fourth proportional to 167,876.20, 251,722.14 and 115,298.92 is: 172,885.08
Step by Step Solution
- Step 1: Write the proportion equation
167,876.20 : 251,722.14 = 115,298.92 : x - Step 2: Convert to fraction form
167,876.20/251,722.14 = 115,298.92/x - Step 3: Cross multiply
167,876.20x = 251,722.14 × 115,298.92 - Step 4: Simplify right side
167,876.20x = 29,023,290,882.09 - Step 5: Solve for x
x = 29,023,290,882.09/167,876.20 - Step 6: Final answer
x = 172,885.08
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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.