Home / 327,927.30-491,908.55-103,305.31

Finding the Fourth Proportional to 327,927.30, 491,908.55 and 103,305.31

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Solution

The fourth proportional to 327,927.30, 491,908.55 and 103,305.31 is: 154,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,927.30 : 491,908.55 = 103,305.31 : x
  2. Step 2: Convert to fraction form
    327,927.30/491,908.55 = 103,305.31/x
  3. Step 3: Cross multiply
    327,927.30x = 491,908.55 × 103,305.31
  4. Step 4: Simplify right side
    327,927.30x = 50,816,763,503.10
  5. Step 5: Solve for x
    x = 50,816,763,503.10/327,927.30
  6. Step 6: Final answer
    x = 154,963.51

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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.