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Finding the Fourth Proportional to 303,149.92, 454,760 and 100,764.12

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Solution

The fourth proportional to 303,149.92, 454,760 and 100,764.12 is: 151,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,149.92 : 454,760 = 100,764.12 : x
  2. Step 2: Convert to fraction form
    303,149.92/454,760 = 100,764.12/x
  3. Step 3: Cross multiply
    303,149.92x = 454,760 × 100,764.12
  4. Step 4: Simplify right side
    303,149.92x = 45,823,491,211.20
  5. Step 5: Solve for x
    x = 45,823,491,211.20/303,149.92
  6. Step 6: Final answer
    x = 151,157.85

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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.