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Finding the Fourth Proportional to 375,452.52, 517,709.39 and 239,270.87

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Solution

The fourth proportional to 375,452.52, 517,709.39 and 239,270.87 is: 329,929.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,452.52 : 517,709.39 = 239,270.87 : x
  2. Step 2: Convert to fraction form
    375,452.52/517,709.39 = 239,270.87/x
  3. Step 3: Cross multiply
    375,452.52x = 517,709.39 × 239,270.87
  4. Step 4: Simplify right side
    375,452.52x = 123,872,772,367.57
  5. Step 5: Solve for x
    x = 123,872,772,367.57/375,452.52
  6. Step 6: Final answer
    x = 329,929.26

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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.