Home / 327,428.43-491,202.14-135,303.33

Finding the Fourth Proportional to 327,428.43, 491,202.14 and 135,303.33

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Solution

The fourth proportional to 327,428.43, 491,202.14 and 135,303.33 is: 202,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,428.43 : 491,202.14 = 135,303.33 : x
  2. Step 2: Convert to fraction form
    327,428.43/491,202.14 = 135,303.33/x
  3. Step 3: Cross multiply
    327,428.43x = 491,202.14 × 135,303.33
  4. Step 4: Simplify right side
    327,428.43x = 66,461,283,505.96
  5. Step 5: Solve for x
    x = 66,461,283,505.96/327,428.43
  6. Step 6: Final answer
    x = 202,979.57

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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.