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Finding the Fourth Proportional to 269,976.96, 404,658.18 and 119,991.96

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Solution

The fourth proportional to 269,976.96, 404,658.18 and 119,991.96 is: 179,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,976.96 : 404,658.18 = 119,991.96 : x
  2. Step 2: Convert to fraction form
    269,976.96/404,658.18 = 119,991.96/x
  3. Step 3: Cross multiply
    269,976.96x = 404,658.18 × 119,991.96
  4. Step 4: Simplify right side
    269,976.96x = 48,555,728,148.23
  5. Step 5: Solve for x
    x = 48,555,728,148.23/269,976.96
  6. Step 6: Final answer
    x = 179,851.38

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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.