Home / 361,934.20-499,469.82-200,789.28

Finding the Fourth Proportional to 361,934.20, 499,469.82 and 200,789.28

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Solution

The fourth proportional to 361,934.20, 499,469.82 and 200,789.28 is: 277,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,934.20 : 499,469.82 = 200,789.28 : x
  2. Step 2: Convert to fraction form
    361,934.20/499,469.82 = 200,789.28/x
  3. Step 3: Cross multiply
    361,934.20x = 499,469.82 × 200,789.28
  4. Step 4: Simplify right side
    361,934.20x = 100,288,185,539.53
  5. Step 5: Solve for x
    x = 100,288,185,539.53/361,934.20
  6. Step 6: Final answer
    x = 277,089.55

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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.