Home / 285,964.43-394,308.81-234,120.38

Finding the Fourth Proportional to 285,964.43, 394,308.81 and 234,120.38

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Solution

The fourth proportional to 285,964.43, 394,308.81 and 234,120.38 is: 322,822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,964.43 : 394,308.81 = 234,120.38 : x
  2. Step 2: Convert to fraction form
    285,964.43/394,308.81 = 234,120.38/x
  3. Step 3: Cross multiply
    285,964.43x = 394,308.81 × 234,120.38
  4. Step 4: Simplify right side
    285,964.43x = 92,315,726,463.00
  5. Step 5: Solve for x
    x = 92,315,726,463.00/285,964.43
  6. Step 6: Final answer
    x = 322,822.42

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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.