Home / 327,801.45-491,776.16-100,117.47

Finding the Fourth Proportional to 327,801.45, 491,776.16 and 100,117.47

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Solution

The fourth proportional to 327,801.45, 491,776.16 and 100,117.47 is: 150,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,801.45 : 491,776.16 = 100,117.47 : x
  2. Step 2: Convert to fraction form
    327,801.45/491,776.16 = 100,117.47/x
  3. Step 3: Cross multiply
    327,801.45x = 491,776.16 × 100,117.47
  4. Step 4: Simplify right side
    327,801.45x = 49,235,384,444.93
  5. Step 5: Solve for x
    x = 49,235,384,444.93/327,801.45
  6. Step 6: Final answer
    x = 150,198.80

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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.