Home / 259,268.40-388,902.60-161,922.60

Finding the Fourth Proportional to 259,268.40, 388,902.60 and 161,922.60

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Solution

The fourth proportional to 259,268.40, 388,902.60 and 161,922.60 is: 242,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,268.40 : 388,902.60 = 161,922.60 : x
  2. Step 2: Convert to fraction form
    259,268.40/388,902.60 = 161,922.60/x
  3. Step 3: Cross multiply
    259,268.40x = 388,902.60 × 161,922.60
  4. Step 4: Simplify right side
    259,268.40x = 62,972,120,138.76
  5. Step 5: Solve for x
    x = 62,972,120,138.76/259,268.40
  6. Step 6: Final answer
    x = 242,883.90

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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.