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Finding the Fourth Proportional to 441,137.32, 661,771.62 and 204,503.92

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Solution

The fourth proportional to 441,137.32, 661,771.62 and 204,503.92 is: 306,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,137.32 : 661,771.62 = 204,503.92 : x
  2. Step 2: Convert to fraction form
    441,137.32/661,771.62 = 204,503.92/x
  3. Step 3: Cross multiply
    441,137.32x = 661,771.62 × 204,503.92
  4. Step 4: Simplify right side
    441,137.32x = 135,334,890,434.75
  5. Step 5: Solve for x
    x = 135,334,890,434.75/441,137.32
  6. Step 6: Final answer
    x = 306,786.31

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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.