Home / 263,255.08-394,924.74-85,748.44

Finding the Fourth Proportional to 263,255.08, 394,924.74 and 85,748.44

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Solution

The fourth proportional to 263,255.08, 394,924.74 and 85,748.44 is: 128,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,255.08 : 394,924.74 = 85,748.44 : x
  2. Step 2: Convert to fraction form
    263,255.08/394,924.74 = 85,748.44/x
  3. Step 3: Cross multiply
    263,255.08x = 394,924.74 × 85,748.44
  4. Step 4: Simplify right side
    263,255.08x = 33,864,180,372.41
  5. Step 5: Solve for x
    x = 33,864,180,372.41/263,255.08
  6. Step 6: Final answer
    x = 128,636.38

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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.