Home / 220,829.25-331,243.98-71,069.52

Finding the Fourth Proportional to 220,829.25, 331,243.98 and 71,069.52

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Solution

The fourth proportional to 220,829.25, 331,243.98 and 71,069.52 is: 106,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,829.25 : 331,243.98 = 71,069.52 : x
  2. Step 2: Convert to fraction form
    220,829.25/331,243.98 = 71,069.52/x
  3. Step 3: Cross multiply
    220,829.25x = 331,243.98 × 71,069.52
  4. Step 4: Simplify right side
    220,829.25x = 23,541,350,661.49
  5. Step 5: Solve for x
    x = 23,541,350,661.49/220,829.25
  6. Step 6: Final answer
    x = 106,604.31

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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.