Home / 396,944.44-547,784.10-215,654.80

Finding the Fourth Proportional to 396,944.44, 547,784.10 and 215,654.80

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Solution

The fourth proportional to 396,944.44, 547,784.10 and 215,654.80 is: 297,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,944.44 : 547,784.10 = 215,654.80 : x
  2. Step 2: Convert to fraction form
    396,944.44/547,784.10 = 215,654.80/x
  3. Step 3: Cross multiply
    396,944.44x = 547,784.10 × 215,654.80
  4. Step 4: Simplify right side
    396,944.44x = 118,132,270,528.68
  5. Step 5: Solve for x
    x = 118,132,270,528.68/396,944.44
  6. Step 6: Final answer
    x = 297,604.04

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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.