Home / 220,986.30-331,285.05-132,275.10

Finding the Fourth Proportional to 220,986.30, 331,285.05 and 132,275.10

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Solution

The fourth proportional to 220,986.30, 331,285.05 and 132,275.10 is: 198,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,986.30 : 331,285.05 = 132,275.10 : x
  2. Step 2: Convert to fraction form
    220,986.30/331,285.05 = 132,275.10/x
  3. Step 3: Cross multiply
    220,986.30x = 331,285.05 × 132,275.10
  4. Step 4: Simplify right side
    220,986.30x = 43,820,763,117.26
  5. Step 5: Solve for x
    x = 43,820,763,117.26/220,986.30
  6. Step 6: Final answer
    x = 198,296.29

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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.