Home / 394,174.29-591,300.24-105,982.35

Finding the Fourth Proportional to 394,174.29, 591,300.24 and 105,982.35

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Solution

The fourth proportional to 394,174.29, 591,300.24 and 105,982.35 is: 158,983.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,174.29 : 591,300.24 = 105,982.35 : x
  2. Step 2: Convert to fraction form
    394,174.29/591,300.24 = 105,982.35/x
  3. Step 3: Cross multiply
    394,174.29x = 591,300.24 × 105,982.35
  4. Step 4: Simplify right side
    394,174.29x = 62,667,388,990.76
  5. Step 5: Solve for x
    x = 62,667,388,990.76/394,174.29
  6. Step 6: Final answer
    x = 158,983.96

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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.