Home / 378,123.28-566,594.27-321,731.48

Finding the Fourth Proportional to 378,123.28, 566,594.27 and 321,731.48

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Solution

The fourth proportional to 378,123.28, 566,594.27 and 321,731.48 is: 482,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,123.28 : 566,594.27 = 321,731.48 : x
  2. Step 2: Convert to fraction form
    378,123.28/566,594.27 = 321,731.48/x
  3. Step 3: Cross multiply
    378,123.28x = 566,594.27 × 321,731.48
  4. Step 4: Simplify right side
    378,123.28x = 182,291,213,046.62
  5. Step 5: Solve for x
    x = 182,291,213,046.62/378,123.28
  6. Step 6: Final answer
    x = 482,094.66

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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.