Finding the Fourth Proportional to 87,590.97, 131,272.20 and 40,188.96
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Solution
The fourth proportional to 87,590.97, 131,272.20 and 40,188.96 is: 60,231.02
Step by Step Solution
- Step 1: Write the proportion equation
87,590.97 : 131,272.20 = 40,188.96 : x - Step 2: Convert to fraction form
87,590.97/131,272.20 = 40,188.96/x - Step 3: Cross multiply
87,590.97x = 131,272.20 × 40,188.96 - Step 4: Simplify right side
87,590.97x = 5,275,693,194.91 - Step 5: Solve for x
x = 5,275,693,194.91/87,590.97 - Step 6: Final answer
x = 60,231.02
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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.