Home / 262,939.64-394,586.91-102,995.72

Finding the Fourth Proportional to 262,939.64, 394,586.91 and 102,995.72

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Solution

The fourth proportional to 262,939.64, 394,586.91 and 102,995.72 is: 154,563.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,939.64 : 394,586.91 = 102,995.72 : x
  2. Step 2: Convert to fraction form
    262,939.64/394,586.91 = 102,995.72/x
  3. Step 3: Cross multiply
    262,939.64x = 394,586.91 × 102,995.72
  4. Step 4: Simplify right side
    262,939.64x = 40,640,762,898.03
  5. Step 5: Solve for x
    x = 40,640,762,898.03/262,939.64
  6. Step 6: Final answer
    x = 154,563.09

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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.