Home / 394,001.07-590,942.64-141,243.39

Finding the Fourth Proportional to 394,001.07, 590,942.64 and 141,243.39

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Solution

The fourth proportional to 394,001.07, 590,942.64 and 141,243.39 is: 211,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,001.07 : 590,942.64 = 141,243.39 : x
  2. Step 2: Convert to fraction form
    394,001.07/590,942.64 = 141,243.39/x
  3. Step 3: Cross multiply
    394,001.07x = 590,942.64 × 141,243.39
  4. Step 4: Simplify right side
    394,001.07x = 83,466,741,769.15
  5. Step 5: Solve for x
    x = 83,466,741,769.15/394,001.07
  6. Step 6: Final answer
    x = 211,843.95

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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.