Home / 396,376.04-594,542.84-140,190.86

Finding the Fourth Proportional to 396,376.04, 594,542.84 and 140,190.86

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Solution

The fourth proportional to 396,376.04, 594,542.84 and 140,190.86 is: 210,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,376.04 : 594,542.84 = 140,190.86 : x
  2. Step 2: Convert to fraction form
    396,376.04/594,542.84 = 140,190.86/x
  3. Step 3: Cross multiply
    396,376.04x = 594,542.84 × 140,190.86
  4. Step 4: Simplify right side
    396,376.04x = 83,349,472,046.44
  5. Step 5: Solve for x
    x = 83,349,472,046.44/396,376.04
  6. Step 6: Final answer
    x = 210,278.78

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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.