Home / 262,939.29-394,586.39-102,995.38

Finding the Fourth Proportional to 262,939.29, 394,586.39 and 102,995.38

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Solution

The fourth proportional to 262,939.29, 394,586.39 and 102,995.38 is: 154,562.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,939.29 : 394,586.39 = 102,995.38 : x
  2. Step 2: Convert to fraction form
    262,939.29/394,586.39 = 102,995.38/x
  3. Step 3: Cross multiply
    262,939.29x = 394,586.39 × 102,995.38
  4. Step 4: Simplify right side
    262,939.29x = 40,640,575,180.88
  5. Step 5: Solve for x
    x = 40,640,575,180.88/262,939.29
  6. Step 6: Final answer
    x = 154,562.58

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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.