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Finding the Fourth Proportional to 308,676, 426,027.48 and 181,351.56

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Solution

The fourth proportional to 308,676, 426,027.48 and 181,351.56 is: 250,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,676 : 426,027.48 = 181,351.56 : x
  2. Step 2: Convert to fraction form
    308,676/426,027.48 = 181,351.56/x
  3. Step 3: Cross multiply
    308,676x = 426,027.48 × 181,351.56
  4. Step 4: Simplify right side
    308,676x = 77,260,748,100.87
  5. Step 5: Solve for x
    x = 77,260,748,100.87/308,676
  6. Step 6: Final answer
    x = 250,297.23

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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.