Home / 269,159.20-403,738.80-263,629.60

Finding the Fourth Proportional to 269,159.20, 403,738.80 and 263,629.60

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Solution

The fourth proportional to 269,159.20, 403,738.80 and 263,629.60 is: 395,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,159.20 : 403,738.80 = 263,629.60 : x
  2. Step 2: Convert to fraction form
    269,159.20/403,738.80 = 263,629.60/x
  3. Step 3: Cross multiply
    269,159.20x = 403,738.80 × 263,629.60
  4. Step 4: Simplify right side
    269,159.20x = 106,437,498,348.48
  5. Step 5: Solve for x
    x = 106,437,498,348.48/269,159.20
  6. Step 6: Final answer
    x = 395,444.40

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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.