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Finding the Fourth Proportional to 366,786.91, 505,991.63 and 244,336.21

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Solution

The fourth proportional to 366,786.91, 505,991.63 and 244,336.21 is: 337,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,786.91 : 505,991.63 = 244,336.21 : x
  2. Step 2: Convert to fraction form
    366,786.91/505,991.63 = 244,336.21/x
  3. Step 3: Cross multiply
    366,786.91x = 505,991.63 × 244,336.21
  4. Step 4: Simplify right side
    366,786.91x = 123,632,076,511.78
  5. Step 5: Solve for x
    x = 123,632,076,511.78/366,786.91
  6. Step 6: Final answer
    x = 337,067.85

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1.5x scale

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.