Home / 220,375.33-330,369.12-87,348.96

Finding the Fourth Proportional to 220,375.33, 330,369.12 and 87,348.96

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Solution

The fourth proportional to 220,375.33, 330,369.12 and 87,348.96 is: 130,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,375.33 : 330,369.12 = 87,348.96 : x
  2. Step 2: Convert to fraction form
    220,375.33/330,369.12 = 87,348.96/x
  3. Step 3: Cross multiply
    220,375.33x = 330,369.12 × 87,348.96
  4. Step 4: Simplify right side
    220,375.33x = 28,857,399,048.12
  5. Step 5: Solve for x
    x = 28,857,399,048.12/220,375.33
  6. Step 6: Final answer
    x = 130,946.59

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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.