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Finding the Fourth Proportional to 269,523.60, 404,285.40 and 185,542.80

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Solution

The fourth proportional to 269,523.60, 404,285.40 and 185,542.80 is: 278,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,523.60 : 404,285.40 = 185,542.80 : x
  2. Step 2: Convert to fraction form
    269,523.60/404,285.40 = 185,542.80/x
  3. Step 3: Cross multiply
    269,523.60x = 404,285.40 × 185,542.80
  4. Step 4: Simplify right side
    269,523.60x = 75,012,245,115.12
  5. Step 5: Solve for x
    x = 75,012,245,115.12/269,523.60
  6. Step 6: Final answer
    x = 278,314.20

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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.