Home / 327,849.40-491,751.52-201,509.15

Finding the Fourth Proportional to 327,849.40, 491,751.52 and 201,509.15

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Solution

The fourth proportional to 327,849.40, 491,751.52 and 201,509.15 is: 302,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,849.40 : 491,751.52 = 201,509.15 : x
  2. Step 2: Convert to fraction form
    327,849.40/491,751.52 = 201,509.15/x
  3. Step 3: Cross multiply
    327,849.40x = 491,751.52 × 201,509.15
  4. Step 4: Simplify right side
    327,849.40x = 99,092,428,977.37
  5. Step 5: Solve for x
    x = 99,092,428,977.37/327,849.40
  6. Step 6: Final answer
    x = 302,249.84

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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.