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Finding the Fourth Proportional to 269,773.98, 404,660.70 and 80,233.58

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Solution

The fourth proportional to 269,773.98, 404,660.70 and 80,233.58 is: 120,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,773.98 : 404,660.70 = 80,233.58 : x
  2. Step 2: Convert to fraction form
    269,773.98/404,660.70 = 80,233.58/x
  3. Step 3: Cross multiply
    269,773.98x = 404,660.70 × 80,233.58
  4. Step 4: Simplify right side
    269,773.98x = 32,467,374,623.00
  5. Step 5: Solve for x
    x = 32,467,374,623.00/269,773.98
  6. Step 6: Final answer
    x = 120,350.28

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1.5x scale

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.