Home / 231,844.40-347,766.60-206,912.60

Finding the Fourth Proportional to 231,844.40, 347,766.60 and 206,912.60

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Solution

The fourth proportional to 231,844.40, 347,766.60 and 206,912.60 is: 310,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,844.40 : 347,766.60 = 206,912.60 : x
  2. Step 2: Convert to fraction form
    231,844.40/347,766.60 = 206,912.60/x
  3. Step 3: Cross multiply
    231,844.40x = 347,766.60 × 206,912.60
  4. Step 4: Simplify right side
    231,844.40x = 71,957,291,399.16
  5. Step 5: Solve for x
    x = 71,957,291,399.16/231,844.40
  6. Step 6: Final answer
    x = 310,368.90

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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.