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Finding the Fourth Proportional to 349,375.62, 524,174.16 and 124,731.24

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Solution

The fourth proportional to 349,375.62, 524,174.16 and 124,731.24 is: 187,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,375.62 : 524,174.16 = 124,731.24 : x
  2. Step 2: Convert to fraction form
    349,375.62/524,174.16 = 124,731.24/x
  3. Step 3: Cross multiply
    349,375.62x = 524,174.16 × 124,731.24
  4. Step 4: Simplify right side
    349,375.62x = 65,380,892,952.76
  5. Step 5: Solve for x
    x = 65,380,892,952.76/349,375.62
  6. Step 6: Final answer
    x = 187,136.39

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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.