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Finding the Fourth Proportional to 251,726.52, 377,499.87 and 83,215.74

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Solution

The fourth proportional to 251,726.52, 377,499.87 and 83,215.74 is: 124,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,726.52 : 377,499.87 = 83,215.74 : x
  2. Step 2: Convert to fraction form
    251,726.52/377,499.87 = 83,215.74/x
  3. Step 3: Cross multiply
    251,726.52x = 377,499.87 × 83,215.74
  4. Step 4: Simplify right side
    251,726.52x = 31,413,931,031.95
  5. Step 5: Solve for x
    x = 31,413,931,031.95/251,726.52
  6. Step 6: Final answer
    x = 124,793.89

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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.