Home / 327,894.07-491,858.58-103,272.06

Finding the Fourth Proportional to 327,894.07, 491,858.58 and 103,272.06

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Solution

The fourth proportional to 327,894.07, 491,858.58 and 103,272.06 is: 154,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,894.07 : 491,858.58 = 103,272.06 : x
  2. Step 2: Convert to fraction form
    327,894.07/491,858.58 = 103,272.06/x
  3. Step 3: Cross multiply
    327,894.07x = 491,858.58 × 103,272.06
  4. Step 4: Simplify right side
    327,894.07x = 50,795,248,785.27
  5. Step 5: Solve for x
    x = 50,795,248,785.27/327,894.07
  6. Step 6: Final answer
    x = 154,913.59

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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.