Home / 394,013.49-591,020.67-109,704.66

Finding the Fourth Proportional to 394,013.49, 591,020.67 and 109,704.66

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Solution

The fourth proportional to 394,013.49, 591,020.67 and 109,704.66 is: 164,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,013.49 : 591,020.67 = 109,704.66 : x
  2. Step 2: Convert to fraction form
    394,013.49/591,020.67 = 109,704.66/x
  3. Step 3: Cross multiply
    394,013.49x = 591,020.67 × 109,704.66
  4. Step 4: Simplify right side
    394,013.49x = 64,837,721,655.32
  5. Step 5: Solve for x
    x = 64,837,721,655.32/394,013.49
  6. Step 6: Final answer
    x = 164,557.11

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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.