Home / 262,733.76-394,136.28-85,182.84

Finding the Fourth Proportional to 262,733.76, 394,136.28 and 85,182.84

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Solution

The fourth proportional to 262,733.76, 394,136.28 and 85,182.84 is: 127,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,733.76 : 394,136.28 = 85,182.84 : x
  2. Step 2: Convert to fraction form
    262,733.76/394,136.28 = 85,182.84/x
  3. Step 3: Cross multiply
    262,733.76x = 394,136.28 × 85,182.84
  4. Step 4: Simplify right side
    262,733.76x = 33,573,647,677.44
  5. Step 5: Solve for x
    x = 33,573,647,677.44/262,733.76
  6. Step 6: Final answer
    x = 127,785.82

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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.