Home / 220,829.44-304,752-120,231.04

Finding the Fourth Proportional to 220,829.44, 304,752 and 120,231.04

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Solution

The fourth proportional to 220,829.44, 304,752 and 120,231.04 is: 165,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,829.44 : 304,752 = 120,231.04 : x
  2. Step 2: Convert to fraction form
    220,829.44/304,752 = 120,231.04/x
  3. Step 3: Cross multiply
    220,829.44x = 304,752 × 120,231.04
  4. Step 4: Simplify right side
    220,829.44x = 36,640,649,902.08
  5. Step 5: Solve for x
    x = 36,640,649,902.08/220,829.44
  6. Step 6: Final answer
    x = 165,922.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.