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Finding the Fourth Proportional to 269,843, 404,693.92 and 80,252.28

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Solution

The fourth proportional to 269,843, 404,693.92 and 80,252.28 is: 120,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,843 : 404,693.92 = 80,252.28 : x
  2. Step 2: Convert to fraction form
    269,843/404,693.92 = 80,252.28/x
  3. Step 3: Cross multiply
    269,843x = 404,693.92 × 80,252.28
  4. Step 4: Simplify right side
    269,843x = 32,477,609,782.14
  5. Step 5: Solve for x
    x = 32,477,609,782.14/269,843
  6. Step 6: Final answer
    x = 120,357.43

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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.