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Finding the Fourth Proportional to 181,934, 272,910.72 and 57,284.72

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Solution

The fourth proportional to 181,934, 272,910.72 and 57,284.72 is: 85,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,934 : 272,910.72 = 57,284.72 : x
  2. Step 2: Convert to fraction form
    181,934/272,910.72 = 57,284.72/x
  3. Step 3: Cross multiply
    181,934x = 272,910.72 × 57,284.72
  4. Step 4: Simplify right side
    181,934x = 15,633,614,180.20
  5. Step 5: Solve for x
    x = 15,633,614,180.20/181,934
  6. Step 6: Final answer
    x = 85,930.14

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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.