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Finding the Fourth Proportional to 269,687.57, 404,611.83 and 80,154.24

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Solution

The fourth proportional to 269,687.57, 404,611.83 and 80,154.24 is: 120,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,687.57 : 404,611.83 = 80,154.24 : x
  2. Step 2: Convert to fraction form
    269,687.57/404,611.83 = 80,154.24/x
  3. Step 3: Cross multiply
    269,687.57x = 404,611.83 × 80,154.24
  4. Step 4: Simplify right side
    269,687.57x = 32,431,353,728.66
  5. Step 5: Solve for x
    x = 32,431,353,728.66/269,687.57
  6. Step 6: Final answer
    x = 120,255.28

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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.