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Finding the Fourth Proportional to 361,439.64, 498,797.61 and 200,279.61

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Solution

The fourth proportional to 361,439.64, 498,797.61 and 200,279.61 is: 276,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,439.64 : 498,797.61 = 200,279.61 : x
  2. Step 2: Convert to fraction form
    361,439.64/498,797.61 = 200,279.61/x
  3. Step 3: Cross multiply
    361,439.64x = 498,797.61 × 200,279.61
  4. Step 4: Simplify right side
    361,439.64x = 99,898,990,799.73
  5. Step 5: Solve for x
    x = 99,898,990,799.73/361,439.64
  6. Step 6: Final answer
    x = 276,391.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.