Home / 221,664.40-332,496.60-132,872.20

Finding the Fourth Proportional to 221,664.40, 332,496.60 and 132,872.20

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Solution

The fourth proportional to 221,664.40, 332,496.60 and 132,872.20 is: 199,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,664.40 : 332,496.60 = 132,872.20 : x
  2. Step 2: Convert to fraction form
    221,664.40/332,496.60 = 132,872.20/x
  3. Step 3: Cross multiply
    221,664.40x = 332,496.60 × 132,872.20
  4. Step 4: Simplify right side
    221,664.40x = 44,179,554,734.52
  5. Step 5: Solve for x
    x = 44,179,554,734.52/221,664.40
  6. Step 6: Final answer
    x = 199,308.30

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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.