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Finding the Fourth Proportional to 281,589.98, 422,440.09 and 123,817.97

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Solution

The fourth proportional to 281,589.98, 422,440.09 and 123,817.97 is: 185,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,589.98 : 422,440.09 = 123,817.97 : x
  2. Step 2: Convert to fraction form
    281,589.98/422,440.09 = 123,817.97/x
  3. Step 3: Cross multiply
    281,589.98x = 422,440.09 × 123,817.97
  4. Step 4: Simplify right side
    281,589.98x = 52,305,675,136.97
  5. Step 5: Solve for x
    x = 52,305,675,136.97/281,589.98
  6. Step 6: Final answer
    x = 185,751.20

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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.