Home / 394,977.88-545,083.49-222,937.73

Finding the Fourth Proportional to 394,977.88, 545,083.49 and 222,937.73

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Solution

The fourth proportional to 394,977.88, 545,083.49 and 222,937.73 is: 307,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,977.88 : 545,083.49 = 222,937.73 : x
  2. Step 2: Convert to fraction form
    394,977.88/545,083.49 = 222,937.73/x
  3. Step 3: Cross multiply
    394,977.88x = 545,083.49 × 222,937.73
  4. Step 4: Simplify right side
    394,977.88x = 121,519,674,806.39
  5. Step 5: Solve for x
    x = 121,519,674,806.39/394,977.88
  6. Step 6: Final answer
    x = 307,661.98

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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.