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Finding the Fourth Proportional to 221,335.44, 332,002.44 and 132,615.60

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Solution

The fourth proportional to 221,335.44, 332,002.44 and 132,615.60 is: 198,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,335.44 : 332,002.44 = 132,615.60 : x
  2. Step 2: Convert to fraction form
    221,335.44/332,002.44 = 132,615.60/x
  3. Step 3: Cross multiply
    221,335.44x = 332,002.44 × 132,615.60
  4. Step 4: Simplify right side
    221,335.44x = 44,028,702,782.06
  5. Step 5: Solve for x
    x = 44,028,702,782.06/221,335.44
  6. Step 6: Final answer
    x = 198,922.97

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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.