Home / 285,516.36-394,028.52-163,044.90

Finding the Fourth Proportional to 285,516.36, 394,028.52 and 163,044.90

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Solution

The fourth proportional to 285,516.36, 394,028.52 and 163,044.90 is: 225,011.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,516.36 : 394,028.52 = 163,044.90 : x
  2. Step 2: Convert to fraction form
    285,516.36/394,028.52 = 163,044.90/x
  3. Step 3: Cross multiply
    285,516.36x = 394,028.52 × 163,044.90
  4. Step 4: Simplify right side
    285,516.36x = 64,244,340,640.55
  5. Step 5: Solve for x
    x = 64,244,340,640.55/285,516.36
  6. Step 6: Final answer
    x = 225,011.07

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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.