Home / 221,844.40-332,815.20-88,691.20

Finding the Fourth Proportional to 221,844.40, 332,815.20 and 88,691.20

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Solution

The fourth proportional to 221,844.40, 332,815.20 and 88,691.20 is: 133,056.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,844.40 : 332,815.20 = 88,691.20 : x
  2. Step 2: Convert to fraction form
    221,844.40/332,815.20 = 88,691.20/x
  3. Step 3: Cross multiply
    221,844.40x = 332,815.20 × 88,691.20
  4. Step 4: Simplify right side
    221,844.40x = 29,517,779,466.24
  5. Step 5: Solve for x
    x = 29,517,779,466.24/221,844.40
  6. Step 6: Final answer
    x = 133,056.23

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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.