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Finding the Fourth Proportional to 396,167.12, 594,425.64 and 159,971.12

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Solution

The fourth proportional to 396,167.12, 594,425.64 and 159,971.12 is: 240,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,167.12 : 594,425.64 = 159,971.12 : x
  2. Step 2: Convert to fraction form
    396,167.12/594,425.64 = 159,971.12/x
  3. Step 3: Cross multiply
    396,167.12x = 594,425.64 × 159,971.12
  4. Step 4: Simplify right side
    396,167.12x = 95,090,935,387.52
  5. Step 5: Solve for x
    x = 95,090,935,387.52/396,167.12
  6. Step 6: Final answer
    x = 240,027.33

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1.5x scale

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.