Home / 281,250.73-422,010.39-131,469.26

Finding the Fourth Proportional to 281,250.73, 422,010.39 and 131,469.26

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Solution

The fourth proportional to 281,250.73, 422,010.39 and 131,469.26 is: 197,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,250.73 : 422,010.39 = 131,469.26 : x
  2. Step 2: Convert to fraction form
    281,250.73/422,010.39 = 131,469.26/x
  3. Step 3: Cross multiply
    281,250.73x = 422,010.39 × 131,469.26
  4. Step 4: Simplify right side
    281,250.73x = 55,481,393,702.86
  5. Step 5: Solve for x
    x = 55,481,393,702.86/281,250.73
  6. Step 6: Final answer
    x = 197,266.66

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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.