Home / 394,258.21-591,378.83-109,941.19

Finding the Fourth Proportional to 394,258.21, 591,378.83 and 109,941.19

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Solution

The fourth proportional to 394,258.21, 591,378.83 and 109,941.19 is: 164,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,258.21 : 591,378.83 = 109,941.19 : x
  2. Step 2: Convert to fraction form
    394,258.21/591,378.83 = 109,941.19/x
  3. Step 3: Cross multiply
    394,258.21x = 591,378.83 × 109,941.19
  4. Step 4: Simplify right side
    394,258.21x = 65,016,889,354.11
  5. Step 5: Solve for x
    x = 65,016,889,354.11/394,258.21
  6. Step 6: Final answer
    x = 164,909.41

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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.