Home / 207,758.09-311,637.14-49,986.55

Finding the Fourth Proportional to 207,758.09, 311,637.14 and 49,986.55

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Solution

The fourth proportional to 207,758.09, 311,637.14 and 49,986.55 is: 74,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,758.09 : 311,637.14 = 49,986.55 : x
  2. Step 2: Convert to fraction form
    207,758.09/311,637.14 = 49,986.55/x
  3. Step 3: Cross multiply
    207,758.09x = 311,637.14 × 49,986.55
  4. Step 4: Simplify right side
    207,758.09x = 15,577,665,480.47
  5. Step 5: Solve for x
    x = 15,577,665,480.47/207,758.09
  6. Step 6: Final answer
    x = 74,979.83

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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.