Home / 262,939.13-394,586.16-102,995.22

Finding the Fourth Proportional to 262,939.13, 394,586.16 and 102,995.22

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Solution

The fourth proportional to 262,939.13, 394,586.16 and 102,995.22 is: 154,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,939.13 : 394,586.16 = 102,995.22 : x
  2. Step 2: Convert to fraction form
    262,939.13/394,586.16 = 102,995.22/x
  3. Step 3: Cross multiply
    262,939.13x = 394,586.16 × 102,995.22
  4. Step 4: Simplify right side
    262,939.13x = 40,640,488,358.16
  5. Step 5: Solve for x
    x = 40,640,488,358.16/262,939.13
  6. Step 6: Final answer
    x = 154,562.34

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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.