Home / 397,244.80-595,867.20-131,046.40

Finding the Fourth Proportional to 397,244.80, 595,867.20 and 131,046.40

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Solution

The fourth proportional to 397,244.80, 595,867.20 and 131,046.40 is: 196,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,244.80 : 595,867.20 = 131,046.40 : x
  2. Step 2: Convert to fraction form
    397,244.80/595,867.20 = 131,046.40/x
  3. Step 3: Cross multiply
    397,244.80x = 595,867.20 × 131,046.40
  4. Step 4: Simplify right side
    397,244.80x = 78,086,251,438.08
  5. Step 5: Solve for x
    x = 78,086,251,438.08/397,244.80
  6. Step 6: Final answer
    x = 196,569.60

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Similar ratio
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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.