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Finding the Fourth Proportional to 394,720.76, 591,991.80 and 181,283.48

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Solution

The fourth proportional to 394,720.76, 591,991.80 and 181,283.48 is: 271,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,720.76 : 591,991.80 = 181,283.48 : x
  2. Step 2: Convert to fraction form
    394,720.76/591,991.80 = 181,283.48/x
  3. Step 3: Cross multiply
    394,720.76x = 591,991.80 × 181,283.48
  4. Step 4: Simplify right side
    394,720.76x = 107,318,333,635.46
  5. Step 5: Solve for x
    x = 107,318,333,635.46/394,720.76
  6. Step 6: Final answer
    x = 271,884.19

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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.