Home / 269,822.80-404,734.20-137,112.40

Finding the Fourth Proportional to 269,822.80, 404,734.20 and 137,112.40

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Solution

The fourth proportional to 269,822.80, 404,734.20 and 137,112.40 is: 205,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,822.80 : 404,734.20 = 137,112.40 : x
  2. Step 2: Convert to fraction form
    269,822.80/404,734.20 = 137,112.40/x
  3. Step 3: Cross multiply
    269,822.80x = 404,734.20 × 137,112.40
  4. Step 4: Simplify right side
    269,822.80x = 55,494,077,524.08
  5. Step 5: Solve for x
    x = 55,494,077,524.08/269,822.80
  6. Step 6: Final answer
    x = 205,668.60

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1.5x scale

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.