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Finding the Fourth Proportional to 100,330.92, 150,519.06 and 50,434.92

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Solution

The fourth proportional to 100,330.92, 150,519.06 and 50,434.92 is: 75,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,330.92 : 150,519.06 = 50,434.92 : x
  2. Step 2: Convert to fraction form
    100,330.92/150,519.06 = 50,434.92/x
  3. Step 3: Cross multiply
    100,330.92x = 150,519.06 × 50,434.92
  4. Step 4: Simplify right side
    100,330.92x = 7,591,416,749.58
  5. Step 5: Solve for x
    x = 7,591,416,749.58/100,330.92
  6. Step 6: Final answer
    x = 75,663.78

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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.