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Finding the Fourth Proportional to 339,199.55, 508,691.29 and 111,442.29

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Solution

The fourth proportional to 339,199.55, 508,691.29 and 111,442.29 is: 167,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,199.55 : 508,691.29 = 111,442.29 : x
  2. Step 2: Convert to fraction form
    339,199.55/508,691.29 = 111,442.29/x
  3. Step 3: Cross multiply
    339,199.55x = 508,691.29 × 111,442.29
  4. Step 4: Simplify right side
    339,199.55x = 56,689,722,260.65
  5. Step 5: Solve for x
    x = 56,689,722,260.65/339,199.55
  6. Step 6: Final answer
    x = 167,127.94

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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.