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Finding the Fourth Proportional to 288,759.44, 433,212.97 and 111,218.78

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Solution

The fourth proportional to 288,759.44, 433,212.97 and 111,218.78 is: 166,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,759.44 : 433,212.97 = 111,218.78 : x
  2. Step 2: Convert to fraction form
    288,759.44/433,212.97 = 111,218.78/x
  3. Step 3: Cross multiply
    288,759.44x = 433,212.97 × 111,218.78
  4. Step 4: Simplify right side
    288,759.44x = 48,181,418,003.58
  5. Step 5: Solve for x
    x = 48,181,418,003.58/288,759.44
  6. Step 6: Final answer
    x = 166,856.60

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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.