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Finding the Fourth Proportional to 100,468.74, 150,704 and 32,999.78

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Solution

The fourth proportional to 100,468.74, 150,704 and 32,999.78 is: 49,499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,468.74 : 150,704 = 32,999.78 : x
  2. Step 2: Convert to fraction form
    100,468.74/150,704 = 32,999.78/x
  3. Step 3: Cross multiply
    100,468.74x = 150,704 × 32,999.78
  4. Step 4: Simplify right side
    100,468.74x = 4,973,198,845.12
  5. Step 5: Solve for x
    x = 4,973,198,845.12/100,468.74
  6. Step 6: Final answer
    x = 49,499.96

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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.