Home / 394,936.25-545,010.36-213,647.73

Finding the Fourth Proportional to 394,936.25, 545,010.36 and 213,647.73

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Solution

The fourth proportional to 394,936.25, 545,010.36 and 213,647.73 is: 294,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,936.25 : 545,010.36 = 213,647.73 : x
  2. Step 2: Convert to fraction form
    394,936.25/545,010.36 = 213,647.73/x
  3. Step 3: Cross multiply
    394,936.25x = 545,010.36 × 213,647.73
  4. Step 4: Simplify right side
    394,936.25x = 116,440,226,240.48
  5. Step 5: Solve for x
    x = 116,440,226,240.48/394,936.25
  6. Step 6: Final answer
    x = 294,832.97

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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.