Home / 327,945.14-490,806.65-201,665.37

Finding the Fourth Proportional to 327,945.14, 490,806.65 and 201,665.37

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Solution

The fourth proportional to 327,945.14, 490,806.65 and 201,665.37 is: 301,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,945.14 : 490,806.65 = 201,665.37 : x
  2. Step 2: Convert to fraction form
    327,945.14/490,806.65 = 201,665.37/x
  3. Step 3: Cross multiply
    327,945.14x = 490,806.65 × 201,665.37
  4. Step 4: Simplify right side
    327,945.14x = 98,978,703,334.35
  5. Step 5: Solve for x
    x = 98,978,703,334.35/327,945.14
  6. Step 6: Final answer
    x = 301,814.82

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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.