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Finding the Fourth Proportional to 221,444.75, 332,167.17 and 55,232.75

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Solution

The fourth proportional to 221,444.75, 332,167.17 and 55,232.75 is: 82,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,444.75 : 332,167.17 = 55,232.75 : x
  2. Step 2: Convert to fraction form
    221,444.75/332,167.17 = 55,232.75/x
  3. Step 3: Cross multiply
    221,444.75x = 332,167.17 × 55,232.75
  4. Step 4: Simplify right side
    221,444.75x = 18,346,506,258.82
  5. Step 5: Solve for x
    x = 18,346,506,258.82/221,444.75
  6. Step 6: Final answer
    x = 82,849.14

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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.