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Finding the Fourth Proportional to 220,432.20, 330,741.90 and 120,475.62

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Solution

The fourth proportional to 220,432.20, 330,741.90 and 120,475.62 is: 180,764.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,432.20 : 330,741.90 = 120,475.62 : x
  2. Step 2: Convert to fraction form
    220,432.20/330,741.90 = 120,475.62/x
  3. Step 3: Cross multiply
    220,432.20x = 330,741.90 × 120,475.62
  4. Step 4: Simplify right side
    220,432.20x = 39,846,335,462.48
  5. Step 5: Solve for x
    x = 39,846,335,462.48/220,432.20
  6. Step 6: Final answer
    x = 180,764.59

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