Home / 263,140.20-394,256.70-122,610.60

Finding the Fourth Proportional to 263,140.20, 394,256.70 and 122,610.60

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Solution

The fourth proportional to 263,140.20, 394,256.70 and 122,610.60 is: 183,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,140.20 : 394,256.70 = 122,610.60 : x
  2. Step 2: Convert to fraction form
    263,140.20/394,256.70 = 122,610.60/x
  3. Step 3: Cross multiply
    263,140.20x = 394,256.70 × 122,610.60
  4. Step 4: Simplify right side
    263,140.20x = 48,340,050,541.02
  5. Step 5: Solve for x
    x = 48,340,050,541.02/263,140.20
  6. Step 6: Final answer
    x = 183,704.54

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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.