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Finding the Fourth Proportional to 375,408.96, 517,649.24 and 239,227.20

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Solution

The fourth proportional to 375,408.96, 517,649.24 and 239,227.20 is: 329,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,408.96 : 517,649.24 = 239,227.20 : x
  2. Step 2: Convert to fraction form
    375,408.96/517,649.24 = 239,227.20/x
  3. Step 3: Cross multiply
    375,408.96x = 517,649.24 × 239,227.20
  4. Step 4: Simplify right side
    375,408.96x = 123,835,778,267.33
  5. Step 5: Solve for x
    x = 123,835,778,267.33/375,408.96
  6. Step 6: Final answer
    x = 329,869.00

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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.