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Finding the Fourth Proportional to 269,252.75, 403,879.13 and 72,260.75

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Solution

The fourth proportional to 269,252.75, 403,879.13 and 72,260.75 is: 108,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,252.75 : 403,879.13 = 72,260.75 : x
  2. Step 2: Convert to fraction form
    269,252.75/403,879.13 = 72,260.75/x
  3. Step 3: Cross multiply
    269,252.75x = 403,879.13 × 72,260.75
  4. Step 4: Simplify right side
    269,252.75x = 29,184,608,843.15
  5. Step 5: Solve for x
    x = 29,184,608,843.15/269,252.75
  6. Step 6: Final answer
    x = 108,391.13

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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.