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Finding the Fourth Proportional to 413,593.52, 619,995.96 and 132,913.52

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Solution

The fourth proportional to 413,593.52, 619,995.96 and 132,913.52 is: 199,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,593.52 : 619,995.96 = 132,913.52 : x
  2. Step 2: Convert to fraction form
    413,593.52/619,995.96 = 132,913.52/x
  3. Step 3: Cross multiply
    413,593.52x = 619,995.96 × 132,913.52
  4. Step 4: Simplify right side
    413,593.52x = 82,405,845,429.38
  5. Step 5: Solve for x
    x = 82,405,845,429.38/413,593.52
  6. Step 6: Final answer
    x = 199,243.56

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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.