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Finding the Fourth Proportional to 327,203.82, 490,791.45 and 102,559.13

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Solution

The fourth proportional to 327,203.82, 490,791.45 and 102,559.13 is: 153,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,203.82 : 490,791.45 = 102,559.13 : x
  2. Step 2: Convert to fraction form
    327,203.82/490,791.45 = 102,559.13/x
  3. Step 3: Cross multiply
    327,203.82x = 490,791.45 × 102,559.13
  4. Step 4: Simplify right side
    327,203.82x = 50,335,143,894.55
  5. Step 5: Solve for x
    x = 50,335,143,894.55/327,203.82
  6. Step 6: Final answer
    x = 153,834.22

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1.5x scale

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.