Home / 220,217.74-330,209.96-87,092.62

Finding the Fourth Proportional to 220,217.74, 330,209.96 and 87,092.62

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Solution

The fourth proportional to 220,217.74, 330,209.96 and 87,092.62 is: 130,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,217.74 : 330,209.96 = 87,092.62 : x
  2. Step 2: Convert to fraction form
    220,217.74/330,209.96 = 87,092.62/x
  3. Step 3: Cross multiply
    220,217.74x = 330,209.96 × 87,092.62
  4. Step 4: Simplify right side
    220,217.74x = 28,758,850,566.50
  5. Step 5: Solve for x
    x = 28,758,850,566.50/220,217.74
  6. Step 6: Final answer
    x = 130,592.80

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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.