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Finding the Fourth Proportional to 271,757.31, 375,055.06 and 155,481.58

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Solution

The fourth proportional to 271,757.31, 375,055.06 and 155,481.58 is: 214,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,757.31 : 375,055.06 = 155,481.58 : x
  2. Step 2: Convert to fraction form
    271,757.31/375,055.06 = 155,481.58/x
  3. Step 3: Cross multiply
    271,757.31x = 375,055.06 × 155,481.58
  4. Step 4: Simplify right side
    271,757.31x = 58,314,153,315.79
  5. Step 5: Solve for x
    x = 58,314,153,315.79/271,757.31
  6. Step 6: Final answer
    x = 214,581.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.