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Finding the Fourth Proportional to 220,195.92, 330,293.87 and 62,425.74

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Solution

The fourth proportional to 220,195.92, 330,293.87 and 62,425.74 is: 93,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,195.92 : 330,293.87 = 62,425.74 : x
  2. Step 2: Convert to fraction form
    220,195.92/330,293.87 = 62,425.74/x
  3. Step 3: Cross multiply
    220,195.92x = 330,293.87 × 62,425.74
  4. Step 4: Simplify right side
    220,195.92x = 20,618,838,940.09
  5. Step 5: Solve for x
    x = 20,618,838,940.09/220,195.92
  6. Step 6: Final answer
    x = 93,638.61

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1.5x scale

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.