Home / 396,468.14-547,126.56-215,180.06

Finding the Fourth Proportional to 396,468.14, 547,126.56 and 215,180.06

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Solution

The fourth proportional to 396,468.14, 547,126.56 and 215,180.06 is: 296,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,468.14 : 547,126.56 = 215,180.06 : x
  2. Step 2: Convert to fraction form
    396,468.14/547,126.56 = 215,180.06/x
  3. Step 3: Cross multiply
    396,468.14x = 547,126.56 × 215,180.06
  4. Step 4: Simplify right side
    396,468.14x = 117,730,726,008.39
  5. Step 5: Solve for x
    x = 117,730,726,008.39/396,468.14
  6. Step 6: Final answer
    x = 296,948.77

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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.