Finding the Fourth Proportional to 115,489.22, 173,239.97 and 36,609.62
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Solution
The fourth proportional to 115,489.22, 173,239.97 and 36,609.62 is: 54,916.37
Step by Step Solution
- Step 1: Write the proportion equation
115,489.22 : 173,239.97 = 36,609.62 : x - Step 2: Convert to fraction form
115,489.22/173,239.97 = 36,609.62/x - Step 3: Cross multiply
115,489.22x = 173,239.97 × 36,609.62 - Step 4: Simplify right side
115,489.22x = 6,342,248,421.26 - Step 5: Solve for x
x = 6,342,248,421.26/115,489.22 - Step 6: Final answer
x = 54,916.37
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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.