Home / 221,845.80-332,331.30-206,099.40

Finding the Fourth Proportional to 221,845.80, 332,331.30 and 206,099.40

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Solution

The fourth proportional to 221,845.80, 332,331.30 and 206,099.40 is: 308,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,845.80 : 332,331.30 = 206,099.40 : x
  2. Step 2: Convert to fraction form
    221,845.80/332,331.30 = 206,099.40/x
  3. Step 3: Cross multiply
    221,845.80x = 332,331.30 × 206,099.40
  4. Step 4: Simplify right side
    221,845.80x = 68,493,281,531.22
  5. Step 5: Solve for x
    x = 68,493,281,531.22/221,845.80
  6. Step 6: Final answer
    x = 308,742.75

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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.