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Finding the Fourth Proportional to 349,335.92, 524,114.59 and 124,691.38

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Solution

The fourth proportional to 349,335.92, 524,114.59 and 124,691.38 is: 187,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,335.92 : 524,114.59 = 124,691.38 : x
  2. Step 2: Convert to fraction form
    349,335.92/524,114.59 = 124,691.38/x
  3. Step 3: Cross multiply
    349,335.92x = 524,114.59 × 124,691.38
  4. Step 4: Simplify right side
    349,335.92x = 65,352,571,505.23
  5. Step 5: Solve for x
    x = 65,352,571,505.23/349,335.92
  6. Step 6: Final answer
    x = 187,076.59

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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.