Home / 396,245.20-594,346.92-129,970.66

Finding the Fourth Proportional to 396,245.20, 594,346.92 and 129,970.66

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Solution

The fourth proportional to 396,245.20, 594,346.92 and 129,970.66 is: 194,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,245.20 : 594,346.92 = 129,970.66 : x
  2. Step 2: Convert to fraction form
    396,245.20/594,346.92 = 129,970.66/x
  3. Step 3: Cross multiply
    396,245.20x = 594,346.92 × 129,970.66
  4. Step 4: Simplify right side
    396,245.20x = 77,247,661,461.37
  5. Step 5: Solve for x
    x = 77,247,661,461.37/396,245.20
  6. Step 6: Final answer
    x = 194,949.14

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1.5x scale

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.