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Finding the Fourth Proportional to 361,227.80, 498,508.24 and 200,079.42

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Solution

The fourth proportional to 361,227.80, 498,508.24 and 200,079.42 is: 276,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,227.80 : 498,508.24 = 200,079.42 : x
  2. Step 2: Convert to fraction form
    361,227.80/498,508.24 = 200,079.42/x
  3. Step 3: Cross multiply
    361,227.80x = 498,508.24 × 200,079.42
  4. Step 4: Simplify right side
    361,227.80x = 99,741,239,524.42
  5. Step 5: Solve for x
    x = 99,741,239,524.42/361,227.80
  6. Step 6: Final answer
    x = 276,117.29

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1.5x scale

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.