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Finding the Fourth Proportional to 230,065.44, 345,181.19 and 80,327.78

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Solution

The fourth proportional to 230,065.44, 345,181.19 and 80,327.78 is: 120,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,065.44 : 345,181.19 = 80,327.78 : x
  2. Step 2: Convert to fraction form
    230,065.44/345,181.19 = 80,327.78/x
  3. Step 3: Cross multiply
    230,065.44x = 345,181.19 × 80,327.78
  4. Step 4: Simplify right side
    230,065.44x = 27,727,640,330.03
  5. Step 5: Solve for x
    x = 27,727,640,330.03/230,065.44
  6. Step 6: Final answer
    x = 120,520.67

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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.