Finding the Fourth Proportional to 115,375.20, 173,044.80 and 36,508.80
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Solution
The fourth proportional to 115,375.20, 173,044.80 and 36,508.80 is: 54,757.50
Step by Step Solution
- Step 1: Write the proportion equation
115,375.20 : 173,044.80 = 36,508.80 : x - Step 2: Convert to fraction form
115,375.20/173,044.80 = 36,508.80/x - Step 3: Cross multiply
115,375.20x = 173,044.80 × 36,508.80 - Step 4: Simplify right side
115,375.20x = 6,317,657,994.24 - Step 5: Solve for x
x = 6,317,657,994.24/115,375.20 - Step 6: Final answer
x = 54,757.50
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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.