Finding the Fourth Proportional to 115,035.97, 172,545.70 and 36,172.75
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Solution
The fourth proportional to 115,035.97, 172,545.70 and 36,172.75 is: 54,256.53
Step by Step Solution
- Step 1: Write the proportion equation
115,035.97 : 172,545.70 = 36,172.75 : x - Step 2: Convert to fraction form
115,035.97/172,545.70 = 36,172.75/x - Step 3: Cross multiply
115,035.97x = 172,545.70 × 36,172.75 - Step 4: Simplify right side
115,035.97x = 6,241,452,469.68 - Step 5: Solve for x
x = 6,241,452,469.68/115,035.97 - Step 6: Final answer
x = 54,256.53
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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.