Home / 327,926.34-491,889.60-253,155.65

Finding the Fourth Proportional to 327,926.34, 491,889.60 and 253,155.65

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Solution

The fourth proportional to 327,926.34, 491,889.60 and 253,155.65 is: 379,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,926.34 : 491,889.60 = 253,155.65 : x
  2. Step 2: Convert to fraction form
    327,926.34/491,889.60 = 253,155.65/x
  3. Step 3: Cross multiply
    327,926.34x = 491,889.60 × 253,155.65
  4. Step 4: Simplify right side
    327,926.34x = 124,524,628,956.79
  5. Step 5: Solve for x
    x = 124,524,628,956.79/327,926.34
  6. Step 6: Final answer
    x = 379,733.54

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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.