Home / 269,616.60-404,487.09-80,072.73

Finding the Fourth Proportional to 269,616.60, 404,487.09 and 80,072.73

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Solution

The fourth proportional to 269,616.60, 404,487.09 and 80,072.73 is: 120,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,616.60 : 404,487.09 = 80,072.73 : x
  2. Step 2: Convert to fraction form
    269,616.60/404,487.09 = 80,072.73/x
  3. Step 3: Cross multiply
    269,616.60x = 404,487.09 × 80,072.73
  4. Step 4: Simplify right side
    269,616.60x = 32,388,385,546.06
  5. Step 5: Solve for x
    x = 32,388,385,546.06/269,616.60
  6. Step 6: Final answer
    x = 120,127.56

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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.