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Finding the Fourth Proportional to 221,645.04, 332,500.37 and 81,392.73

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Solution

The fourth proportional to 221,645.04, 332,500.37 and 81,392.73 is: 122,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,645.04 : 332,500.37 = 81,392.73 : x
  2. Step 2: Convert to fraction form
    221,645.04/332,500.37 = 81,392.73/x
  3. Step 3: Cross multiply
    221,645.04x = 332,500.37 × 81,392.73
  4. Step 4: Simplify right side
    221,645.04x = 27,063,112,433.35
  5. Step 5: Solve for x
    x = 27,063,112,433.35/221,645.04
  6. Step 6: Final answer
    x = 122,101.14

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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.