Home / 221,012.28-331,471.44-63,198.36

Finding the Fourth Proportional to 221,012.28, 331,471.44 and 63,198.36

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Solution

The fourth proportional to 221,012.28, 331,471.44 and 63,198.36 is: 94,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,012.28 : 331,471.44 = 63,198.36 : x
  2. Step 2: Convert to fraction form
    221,012.28/331,471.44 = 63,198.36/x
  3. Step 3: Cross multiply
    221,012.28x = 331,471.44 × 63,198.36
  4. Step 4: Simplify right side
    221,012.28x = 20,948,451,394.84
  5. Step 5: Solve for x
    x = 20,948,451,394.84/221,012.28
  6. Step 6: Final answer
    x = 94,784.11

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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.