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Finding the Fourth Proportional to 263,568.01, 395,348.52 and 63,890.15

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Solution

The fourth proportional to 263,568.01, 395,348.52 and 63,890.15 is: 95,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,568.01 : 395,348.52 = 63,890.15 : x
  2. Step 2: Convert to fraction form
    263,568.01/395,348.52 = 63,890.15/x
  3. Step 3: Cross multiply
    263,568.01x = 395,348.52 × 63,890.15
  4. Step 4: Simplify right side
    263,568.01x = 25,258,874,937.26
  5. Step 5: Solve for x
    x = 25,258,874,937.26/263,568.01
  6. Step 6: Final answer
    x = 95,834.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.