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Finding the Fourth Proportional to 327,103.43, 490,605.89 and 209,595.92

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Solution

The fourth proportional to 327,103.43, 490,605.89 and 209,595.92 is: 314,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,103.43 : 490,605.89 = 209,595.92 : x
  2. Step 2: Convert to fraction form
    327,103.43/490,605.89 = 209,595.92/x
  3. Step 3: Cross multiply
    327,103.43x = 490,605.89 × 209,595.92
  4. Step 4: Simplify right side
    327,103.43x = 102,828,989,370.96
  5. Step 5: Solve for x
    x = 102,828,989,370.96/327,103.43
  6. Step 6: Final answer
    x = 314,362.31

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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.