Home / 396,463.44-547,124.79-215,177.54

Finding the Fourth Proportional to 396,463.44, 547,124.79 and 215,177.54

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Solution

The fourth proportional to 396,463.44, 547,124.79 and 215,177.54 is: 296,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,463.44 : 547,124.79 = 215,177.54 : x
  2. Step 2: Convert to fraction form
    396,463.44/547,124.79 = 215,177.54/x
  3. Step 3: Cross multiply
    396,463.44x = 547,124.79 × 215,177.54
  4. Step 4: Simplify right side
    396,463.44x = 117,728,965,087.52
  5. Step 5: Solve for x
    x = 117,728,965,087.52/396,463.44
  6. Step 6: Final answer
    x = 296,947.85

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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.