Home / 220,244.08-330,496.80-80,013.64

Finding the Fourth Proportional to 220,244.08, 330,496.80 and 80,013.64

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Solution

The fourth proportional to 220,244.08, 330,496.80 and 80,013.64 is: 120,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,244.08 : 330,496.80 = 80,013.64 : x
  2. Step 2: Convert to fraction form
    220,244.08/330,496.80 = 80,013.64/x
  3. Step 3: Cross multiply
    220,244.08x = 330,496.80 × 80,013.64
  4. Step 4: Simplify right side
    220,244.08x = 26,444,251,976.35
  5. Step 5: Solve for x
    x = 26,444,251,976.35/220,244.08
  6. Step 6: Final answer
    x = 120,067.94

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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.