Home / 327,307.05-491,109.62-158,736.33

Finding the Fourth Proportional to 327,307.05, 491,109.62 and 158,736.33

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Solution

The fourth proportional to 327,307.05, 491,109.62 and 158,736.33 is: 238,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,307.05 : 491,109.62 = 158,736.33 : x
  2. Step 2: Convert to fraction form
    327,307.05/491,109.62 = 158,736.33/x
  3. Step 3: Cross multiply
    327,307.05x = 491,109.62 × 158,736.33
  4. Step 4: Simplify right side
    327,307.05x = 77,956,937,912.81
  5. Step 5: Solve for x
    x = 77,956,937,912.81/327,307.05
  6. Step 6: Final answer
    x = 238,176.78

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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.