Home / 394,917.46-544,812.96-231,491.14

Finding the Fourth Proportional to 394,917.46, 544,812.96 and 231,491.14

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Solution

The fourth proportional to 394,917.46, 544,812.96 and 231,491.14 is: 319,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,917.46 : 544,812.96 = 231,491.14 : x
  2. Step 2: Convert to fraction form
    394,917.46/544,812.96 = 231,491.14/x
  3. Step 3: Cross multiply
    394,917.46x = 544,812.96 × 231,491.14
  4. Step 4: Simplify right side
    394,917.46x = 126,119,373,197.17
  5. Step 5: Solve for x
    x = 126,119,373,197.17/394,917.46
  6. Step 6: Final answer
    x = 319,356.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.