Home / 269,783.20-404,577.60-136,619.20

Finding the Fourth Proportional to 269,783.20, 404,577.60 and 136,619.20

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Solution

The fourth proportional to 269,783.20, 404,577.60 and 136,619.20 is: 204,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,783.20 : 404,577.60 = 136,619.20 : x
  2. Step 2: Convert to fraction form
    269,783.20/404,577.60 = 136,619.20/x
  3. Step 3: Cross multiply
    269,783.20x = 404,577.60 × 136,619.20
  4. Step 4: Simplify right side
    269,783.20x = 55,273,068,049.92
  5. Step 5: Solve for x
    x = 55,273,068,049.92/269,783.20
  6. Step 6: Final answer
    x = 204,879.58

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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.