Home / 269,463.90-404,084.66-91,985.22

Finding the Fourth Proportional to 269,463.90, 404,084.66 and 91,985.22

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Solution

The fourth proportional to 269,463.90, 404,084.66 and 91,985.22 is: 137,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,463.90 : 404,084.66 = 91,985.22 : x
  2. Step 2: Convert to fraction form
    269,463.90/404,084.66 = 91,985.22/x
  3. Step 3: Cross multiply
    269,463.90x = 404,084.66 × 91,985.22
  4. Step 4: Simplify right side
    269,463.90x = 37,169,816,348.73
  5. Step 5: Solve for x
    x = 37,169,816,348.73/269,463.90
  6. Step 6: Final answer
    x = 137,939.87

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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.