Home / 394,263.46-591,386.68-109,946.44

Finding the Fourth Proportional to 394,263.46, 591,386.68 and 109,946.44

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Solution

The fourth proportional to 394,263.46, 591,386.68 and 109,946.44 is: 164,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,263.46 : 591,386.68 = 109,946.44 : x
  2. Step 2: Convert to fraction form
    394,263.46/591,386.68 = 109,946.44/x
  3. Step 3: Cross multiply
    394,263.46x = 591,386.68 × 109,946.44
  4. Step 4: Simplify right side
    394,263.46x = 65,020,861,006.09
  5. Step 5: Solve for x
    x = 65,020,861,006.09/394,263.46
  6. Step 6: Final answer
    x = 164,917.29

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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.