Home / 396,467.11-547,125.15-215,179.04

Finding the Fourth Proportional to 396,467.11, 547,125.15 and 215,179.04

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Solution

The fourth proportional to 396,467.11, 547,125.15 and 215,179.04 is: 296,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,467.11 : 547,125.15 = 215,179.04 : x
  2. Step 2: Convert to fraction form
    396,467.11/547,125.15 = 215,179.04/x
  3. Step 3: Cross multiply
    396,467.11x = 547,125.15 × 215,179.04
  4. Step 4: Simplify right side
    396,467.11x = 117,729,866,442.62
  5. Step 5: Solve for x
    x = 117,729,866,442.62/396,467.11
  6. Step 6: Final answer
    x = 296,947.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.