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Finding the Fourth Proportional to 269,542.80, 404,605.80 and 169,815.60

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Solution

The fourth proportional to 269,542.80, 404,605.80 and 169,815.60 is: 254,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,542.80 : 404,605.80 = 169,815.60 : x
  2. Step 2: Convert to fraction form
    269,542.80/404,605.80 = 169,815.60/x
  3. Step 3: Cross multiply
    269,542.80x = 404,605.80 × 169,815.60
  4. Step 4: Simplify right side
    269,542.80x = 68,708,376,690.48
  5. Step 5: Solve for x
    x = 68,708,376,690.48/269,542.80
  6. Step 6: Final answer
    x = 254,907.11

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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.