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Finding the Fourth Proportional to 250,794.52, 375,549.48 and 138,349.76

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Solution

The fourth proportional to 250,794.52, 375,549.48 and 138,349.76 is: 207,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,794.52 : 375,549.48 = 138,349.76 : x
  2. Step 2: Convert to fraction form
    250,794.52/375,549.48 = 138,349.76/x
  3. Step 3: Cross multiply
    250,794.52x = 375,549.48 × 138,349.76
  4. Step 4: Simplify right side
    250,794.52x = 51,957,178,548.38
  5. Step 5: Solve for x
    x = 51,957,178,548.38/250,794.52
  6. Step 6: Final answer
    x = 207,170.31

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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.