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Finding the Fourth Proportional to 295,660.80, 408,003.20 and 161,524.80

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Solution

The fourth proportional to 295,660.80, 408,003.20 and 161,524.80 is: 222,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,660.80 : 408,003.20 = 161,524.80 : x
  2. Step 2: Convert to fraction form
    295,660.80/408,003.20 = 161,524.80/x
  3. Step 3: Cross multiply
    295,660.80x = 408,003.20 × 161,524.80
  4. Step 4: Simplify right side
    295,660.80x = 65,902,635,279.36
  5. Step 5: Solve for x
    x = 65,902,635,279.36/295,660.80
  6. Step 6: Final answer
    x = 222,899.47

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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.