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Finding the Fourth Proportional to 424,882.14, 637,324.42 and 172,167

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Solution

The fourth proportional to 424,882.14, 637,324.42 and 172,167 is: 258,250.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,882.14 : 637,324.42 = 172,167 : x
  2. Step 2: Convert to fraction form
    424,882.14/637,324.42 = 172,167/x
  3. Step 3: Cross multiply
    424,882.14x = 637,324.42 × 172,167
  4. Step 4: Simplify right side
    424,882.14x = 109,726,233,418.14
  5. Step 5: Solve for x
    x = 109,726,233,418.14/424,882.14
  6. Step 6: Final answer
    x = 258,250.99

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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.