Finding the Fourth Proportional to 239,874.99, 331,025.33 and 132,442.70
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Solution
The fourth proportional to 239,874.99, 331,025.33 and 132,442.70 is: 182,769.73
Step by Step Solution
- Step 1: Write the proportion equation
239,874.99 : 331,025.33 = 132,442.70 : x - Step 2: Convert to fraction form
239,874.99/331,025.33 = 132,442.70/x - Step 3: Cross multiply
239,874.99x = 331,025.33 × 132,442.70 - Step 4: Simplify right side
239,874.99x = 43,841,887,149.57 - Step 5: Solve for x
x = 43,841,887,149.57/239,874.99 - Step 6: Final answer
x = 182,769.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.