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Finding the Fourth Proportional to 248,731.97, 373,096.53 and 71,239.03

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Solution

The fourth proportional to 248,731.97, 373,096.53 and 71,239.03 is: 106,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,731.97 : 373,096.53 = 71,239.03 : x
  2. Step 2: Convert to fraction form
    248,731.97/373,096.53 = 71,239.03/x
  3. Step 3: Cross multiply
    248,731.97x = 373,096.53 × 71,239.03
  4. Step 4: Simplify right side
    248,731.97x = 26,579,033,960.82
  5. Step 5: Solve for x
    x = 26,579,033,960.82/248,731.97
  6. Step 6: Final answer
    x = 106,858.14

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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.