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Finding the Fourth Proportional to 251,332.38, 377,026.05 and 109,079.88

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Solution

The fourth proportional to 251,332.38, 377,026.05 and 109,079.88 is: 163,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,332.38 : 377,026.05 = 109,079.88 : x
  2. Step 2: Convert to fraction form
    251,332.38/377,026.05 = 109,079.88/x
  3. Step 3: Cross multiply
    251,332.38x = 377,026.05 × 109,079.88
  4. Step 4: Simplify right side
    251,332.38x = 41,125,956,290.87
  5. Step 5: Solve for x
    x = 41,125,956,290.87/251,332.38
  6. Step 6: Final answer
    x = 163,631.75

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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.