Home / 412,691.23-619,175.32-159,979.96

Finding the Fourth Proportional to 412,691.23, 619,175.32 and 159,979.96

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Solution

The fourth proportional to 412,691.23, 619,175.32 and 159,979.96 is: 240,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,691.23 : 619,175.32 = 159,979.96 : x
  2. Step 2: Convert to fraction form
    412,691.23/619,175.32 = 159,979.96/x
  3. Step 3: Cross multiply
    412,691.23x = 619,175.32 × 159,979.96
  4. Step 4: Simplify right side
    412,691.23x = 99,055,644,369.22
  5. Step 5: Solve for x
    x = 99,055,644,369.22/412,691.23
  6. Step 6: Final answer
    x = 240,023.62

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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.