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Finding the Fourth Proportional to 221,589.32, 332,375.26 and 73,845.32

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Solution

The fourth proportional to 221,589.32, 332,375.26 and 73,845.32 is: 110,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,589.32 : 332,375.26 = 73,845.32 : x
  2. Step 2: Convert to fraction form
    221,589.32/332,375.26 = 73,845.32/x
  3. Step 3: Cross multiply
    221,589.32x = 332,375.26 × 73,845.32
  4. Step 4: Simplify right side
    221,589.32x = 24,544,357,434.78
  5. Step 5: Solve for x
    x = 24,544,357,434.78/221,589.32
  6. Step 6: Final answer
    x = 110,765.07

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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.