Home / 325,527.40-449,223.78-198,202.60

Finding the Fourth Proportional to 325,527.40, 449,223.78 and 198,202.60

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Solution

The fourth proportional to 325,527.40, 449,223.78 and 198,202.60 is: 273,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,527.40 : 449,223.78 = 198,202.60 : x
  2. Step 2: Convert to fraction form
    325,527.40/449,223.78 = 198,202.60/x
  3. Step 3: Cross multiply
    325,527.40x = 449,223.78 × 198,202.60
  4. Step 4: Simplify right side
    325,527.40x = 89,037,321,177.83
  5. Step 5: Solve for x
    x = 89,037,321,177.83/325,527.40
  6. Step 6: Final answer
    x = 273,517.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.