Home / 220,111.20-329,875.20-195,033.60

Finding the Fourth Proportional to 220,111.20, 329,875.20 and 195,033.60

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Solution

The fourth proportional to 220,111.20, 329,875.20 and 195,033.60 is: 292,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,111.20 : 329,875.20 = 195,033.60 : x
  2. Step 2: Convert to fraction form
    220,111.20/329,875.20 = 195,033.60/x
  3. Step 3: Cross multiply
    220,111.20x = 329,875.20 × 195,033.60
  4. Step 4: Simplify right side
    220,111.20x = 64,336,747,806.72
  5. Step 5: Solve for x
    x = 64,336,747,806.72/220,111.20
  6. Step 6: Final answer
    x = 292,292.02

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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.