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Finding the Fourth Proportional to 220,223.12, 330,334.56 and 62,452.88

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Solution

The fourth proportional to 220,223.12, 330,334.56 and 62,452.88 is: 93,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,223.12 : 330,334.56 = 62,452.88 : x
  2. Step 2: Convert to fraction form
    220,223.12/330,334.56 = 62,452.88/x
  3. Step 3: Cross multiply
    220,223.12x = 330,334.56 × 62,452.88
  4. Step 4: Simplify right side
    220,223.12x = 20,630,344,635.53
  5. Step 5: Solve for x
    x = 20,630,344,635.53/220,223.12
  6. Step 6: Final answer
    x = 93,679.29

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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.