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Finding the Fourth Proportional to 394,635.47, 591,987.83 and 110,329.11

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Solution

The fourth proportional to 394,635.47, 591,987.83 and 110,329.11 is: 165,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,635.47 : 591,987.83 = 110,329.11 : x
  2. Step 2: Convert to fraction form
    394,635.47/591,987.83 = 110,329.11/x
  3. Step 3: Cross multiply
    394,635.47x = 591,987.83 × 110,329.11
  4. Step 4: Simplify right side
    394,635.47x = 65,313,489,863.09
  5. Step 5: Solve for x
    x = 65,313,489,863.09/394,635.47
  6. Step 6: Final answer
    x = 165,503.35

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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.