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Finding the Fourth Proportional to 361,059.36, 498,044.88 and 265,812

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Solution

The fourth proportional to 361,059.36, 498,044.88 and 265,812 is: 366,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,059.36 : 498,044.88 = 265,812 : x
  2. Step 2: Convert to fraction form
    361,059.36/498,044.88 = 265,812/x
  3. Step 3: Cross multiply
    361,059.36x = 498,044.88 × 265,812
  4. Step 4: Simplify right side
    361,059.36x = 132,386,305,642.56
  5. Step 5: Solve for x
    x = 132,386,305,642.56/361,059.36
  6. Step 6: Final answer
    x = 366,660.78

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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.