Home / 396,254.13-593,855.55-215,876.85

Finding the Fourth Proportional to 396,254.13, 593,855.55 and 215,876.85

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Solution

The fourth proportional to 396,254.13, 593,855.55 and 215,876.85 is: 323,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,254.13 : 593,855.55 = 215,876.85 : x
  2. Step 2: Convert to fraction form
    396,254.13/593,855.55 = 215,876.85/x
  3. Step 3: Cross multiply
    396,254.13x = 593,855.55 × 215,876.85
  4. Step 4: Simplify right side
    396,254.13x = 128,199,663,262.06
  5. Step 5: Solve for x
    x = 128,199,663,262.06/396,254.13
  6. Step 6: Final answer
    x = 323,528.90

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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.