Home / 802,137.20-1,203,205.80-269,481.20

Finding the Fourth Proportional to 802,137.20, 1,203,205.80 and 269,481.20

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Solution

The fourth proportional to 802,137.20, 1,203,205.80 and 269,481.20 is: 404,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,137.20 : 1,203,205.80 = 269,481.20 : x
  2. Step 2: Convert to fraction form
    802,137.20/1,203,205.80 = 269,481.20/x
  3. Step 3: Cross multiply
    802,137.20x = 1,203,205.80 × 269,481.20
  4. Step 4: Simplify right side
    802,137.20x = 324,241,342,830.96
  5. Step 5: Solve for x
    x = 324,241,342,830.96/802,137.20
  6. Step 6: Final answer
    x = 404,221.80

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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.