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Finding the Fourth Proportional to 264,853.80, 396,843.30 and 225,487.80

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Solution

The fourth proportional to 264,853.80, 396,843.30 and 225,487.80 is: 337,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,853.80 : 396,843.30 = 225,487.80 : x
  2. Step 2: Convert to fraction form
    264,853.80/396,843.30 = 225,487.80/x
  3. Step 3: Cross multiply
    264,853.80x = 396,843.30 × 225,487.80
  4. Step 4: Simplify right side
    264,853.80x = 89,483,322,661.74
  5. Step 5: Solve for x
    x = 89,483,322,661.74/264,853.80
  6. Step 6: Final answer
    x = 337,859.31

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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.