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Finding the Fourth Proportional to 274,424.80, 410,830.80 and 204,613.60

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Solution

The fourth proportional to 274,424.80, 410,830.80 and 204,613.60 is: 306,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,424.80 : 410,830.80 = 204,613.60 : x
  2. Step 2: Convert to fraction form
    274,424.80/410,830.80 = 204,613.60/x
  3. Step 3: Cross multiply
    274,424.80x = 410,830.80 × 204,613.60
  4. Step 4: Simplify right side
    274,424.80x = 84,061,568,978.88
  5. Step 5: Solve for x
    x = 84,061,568,978.88/274,424.80
  6. Step 6: Final answer
    x = 306,319.14

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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.