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Finding the Fourth Proportional to 250,680.67, 345,938.33 and 135,958.85

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Solution

The fourth proportional to 250,680.67, 345,938.33 and 135,958.85 is: 187,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,680.67 : 345,938.33 = 135,958.85 : x
  2. Step 2: Convert to fraction form
    250,680.67/345,938.33 = 135,958.85/x
  3. Step 3: Cross multiply
    250,680.67x = 345,938.33 × 135,958.85
  4. Step 4: Simplify right side
    250,680.67x = 47,033,379,179.91
  5. Step 5: Solve for x
    x = 47,033,379,179.91/250,680.67
  6. Step 6: Final answer
    x = 187,622.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.