Home / 361,814.28-499,333.56-200,721.20

Finding the Fourth Proportional to 361,814.28, 499,333.56 and 200,721.20

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Solution

The fourth proportional to 361,814.28, 499,333.56 and 200,721.20 is: 277,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,814.28 : 499,333.56 = 200,721.20 : x
  2. Step 2: Convert to fraction form
    361,814.28/499,333.56 = 200,721.20/x
  3. Step 3: Cross multiply
    361,814.28x = 499,333.56 × 200,721.20
  4. Step 4: Simplify right side
    361,814.28x = 100,226,831,363.47
  5. Step 5: Solve for x
    x = 100,226,831,363.47/361,814.28
  6. Step 6: Final answer
    x = 277,011.82

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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.