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Finding the Fourth Proportional to 248,719.80, 372,942.90 and 169,923

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Solution

The fourth proportional to 248,719.80, 372,942.90 and 169,923 is: 254,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,719.80 : 372,942.90 = 169,923 : x
  2. Step 2: Convert to fraction form
    248,719.80/372,942.90 = 169,923/x
  3. Step 3: Cross multiply
    248,719.80x = 372,942.90 × 169,923
  4. Step 4: Simplify right side
    248,719.80x = 63,371,576,396.70
  5. Step 5: Solve for x
    x = 63,371,576,396.70/248,719.80
  6. Step 6: Final answer
    x = 254,791.04

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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.