Home / 396,286.75-594,305.38-129,985.35

Finding the Fourth Proportional to 396,286.75, 594,305.38 and 129,985.35

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Solution

The fourth proportional to 396,286.75, 594,305.38 and 129,985.35 is: 194,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,286.75 : 594,305.38 = 129,985.35 : x
  2. Step 2: Convert to fraction form
    396,286.75/594,305.38 = 129,985.35/x
  3. Step 3: Cross multiply
    396,286.75x = 594,305.38 × 129,985.35
  4. Step 4: Simplify right side
    396,286.75x = 77,250,992,826.18
  5. Step 5: Solve for x
    x = 77,250,992,826.18/396,286.75
  6. Step 6: Final answer
    x = 194,937.11

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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.