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Finding the Fourth Proportional to 269,549.80, 404,616.30 and 169,822.60

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Solution

The fourth proportional to 269,549.80, 404,616.30 and 169,822.60 is: 254,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,549.80 : 404,616.30 = 169,822.60 : x
  2. Step 2: Convert to fraction form
    269,549.80/404,616.30 = 169,822.60/x
  3. Step 3: Cross multiply
    269,549.80x = 404,616.30 × 169,822.60
  4. Step 4: Simplify right side
    269,549.80x = 68,712,992,068.38
  5. Step 5: Solve for x
    x = 68,712,992,068.38/269,549.80
  6. Step 6: Final answer
    x = 254,917.61

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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.