Home / 396,178.11-594,118.17-143,396.13

Finding the Fourth Proportional to 396,178.11, 594,118.17 and 143,396.13

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Solution

The fourth proportional to 396,178.11, 594,118.17 and 143,396.13 is: 215,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,178.11 : 594,118.17 = 143,396.13 : x
  2. Step 2: Convert to fraction form
    396,178.11/594,118.17 = 143,396.13/x
  3. Step 3: Cross multiply
    396,178.11x = 594,118.17 × 143,396.13
  4. Step 4: Simplify right side
    396,178.11x = 85,194,246,340.68
  5. Step 5: Solve for x
    x = 85,194,246,340.68/396,178.11
  6. Step 6: Final answer
    x = 215,040.27

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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.