Home / 320,791.22-481,809.62-236,217.37

Finding the Fourth Proportional to 320,791.22, 481,809.62 and 236,217.37

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Solution

The fourth proportional to 320,791.22, 481,809.62 and 236,217.37 is: 354,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,791.22 : 481,809.62 = 236,217.37 : x
  2. Step 2: Convert to fraction form
    320,791.22/481,809.62 = 236,217.37/x
  3. Step 3: Cross multiply
    320,791.22x = 481,809.62 × 236,217.37
  4. Step 4: Simplify right side
    320,791.22x = 113,811,801,899.34
  5. Step 5: Solve for x
    x = 113,811,801,899.34/320,791.22
  6. Step 6: Final answer
    x = 354,784.65

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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.