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Finding the Fourth Proportional to 203,226.52, 280,269.84 and 131,531.80

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Solution

The fourth proportional to 203,226.52, 280,269.84 and 131,531.80 is: 181,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,226.52 : 280,269.84 = 131,531.80 : x
  2. Step 2: Convert to fraction form
    203,226.52/280,269.84 = 131,531.80/x
  3. Step 3: Cross multiply
    203,226.52x = 280,269.84 × 131,531.80
  4. Step 4: Simplify right side
    203,226.52x = 36,864,396,540.91
  5. Step 5: Solve for x
    x = 36,864,396,540.91/203,226.52
  6. Step 6: Final answer
    x = 181,395.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.