Home / 263,211.20-394,844.46-85,732.04

Finding the Fourth Proportional to 263,211.20, 394,844.46 and 85,732.04

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Solution

The fourth proportional to 263,211.20, 394,844.46 and 85,732.04 is: 128,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,211.20 : 394,844.46 = 85,732.04 : x
  2. Step 2: Convert to fraction form
    263,211.20/394,844.46 = 85,732.04/x
  3. Step 3: Cross multiply
    263,211.20x = 394,844.46 × 85,732.04
  4. Step 4: Simplify right side
    263,211.20x = 33,850,821,038.50
  5. Step 5: Solve for x
    x = 33,850,821,038.50/263,211.20
  6. Step 6: Final answer
    x = 128,607.07

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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.