Home / 221,191.28-331,728.12-63,377.36

Finding the Fourth Proportional to 221,191.28, 331,728.12 and 63,377.36

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Solution

The fourth proportional to 221,191.28, 331,728.12 and 63,377.36 is: 95,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,191.28 : 331,728.12 = 63,377.36 : x
  2. Step 2: Convert to fraction form
    221,191.28/331,728.12 = 63,377.36/x
  3. Step 3: Cross multiply
    221,191.28x = 331,728.12 × 63,377.36
  4. Step 4: Simplify right side
    221,191.28x = 21,024,052,483.36
  5. Step 5: Solve for x
    x = 21,024,052,483.36/221,191.28
  6. Step 6: Final answer
    x = 95,049.19

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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.