Home / 394,003.05-591,055.65-180,719.52

Finding the Fourth Proportional to 394,003.05, 591,055.65 and 180,719.52

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Solution

The fourth proportional to 394,003.05, 591,055.65 and 180,719.52 is: 271,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,003.05 : 591,055.65 = 180,719.52 : x
  2. Step 2: Convert to fraction form
    394,003.05/591,055.65 = 180,719.52/x
  3. Step 3: Cross multiply
    394,003.05x = 591,055.65 × 180,719.52
  4. Step 4: Simplify right side
    394,003.05x = 106,815,293,361.29
  5. Step 5: Solve for x
    x = 106,815,293,361.29/394,003.05
  6. Step 6: Final answer
    x = 271,102.71

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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.