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Finding the Fourth Proportional to 269,841.12, 404,687.84 and 101,348.43

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Solution

The fourth proportional to 269,841.12, 404,687.84 and 101,348.43 is: 151,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,841.12 : 404,687.84 = 101,348.43 : x
  2. Step 2: Convert to fraction form
    269,841.12/404,687.84 = 101,348.43/x
  3. Step 3: Cross multiply
    269,841.12x = 404,687.84 × 101,348.43
  4. Step 4: Simplify right side
    269,841.12x = 41,014,476,717.35
  5. Step 5: Solve for x
    x = 41,014,476,717.35/269,841.12
  6. Step 6: Final answer
    x = 151,994.91

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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.