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Finding the Fourth Proportional to 269,337.80, 404,006.70 and 226,035.20

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Solution

The fourth proportional to 269,337.80, 404,006.70 and 226,035.20 is: 339,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,337.80 : 404,006.70 = 226,035.20 : x
  2. Step 2: Convert to fraction form
    269,337.80/404,006.70 = 226,035.20/x
  3. Step 3: Cross multiply
    269,337.80x = 404,006.70 × 226,035.20
  4. Step 4: Simplify right side
    269,337.80x = 91,319,735,235.84
  5. Step 5: Solve for x
    x = 91,319,735,235.84/269,337.80
  6. Step 6: Final answer
    x = 339,052.80

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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.