Finding the Fourth Proportional to 115,438.87, 173,175.62 and 40,545.81
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Solution
The fourth proportional to 115,438.87, 173,175.62 and 40,545.81 is: 60,824.80
Step by Step Solution
- Step 1: Write the proportion equation
115,438.87 : 173,175.62 = 40,545.81 : x - Step 2: Convert to fraction form
115,438.87/173,175.62 = 40,545.81/x - Step 3: Cross multiply
115,438.87x = 173,175.62 × 40,545.81 - Step 4: Simplify right side
115,438.87x = 7,021,546,333.20 - Step 5: Solve for x
x = 7,021,546,333.20/115,438.87 - Step 6: Final answer
x = 60,824.80
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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.