Home / 351,757.20-485,645.04-271,031.52

Finding the Fourth Proportional to 351,757.20, 485,645.04 and 271,031.52

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Solution

The fourth proportional to 351,757.20, 485,645.04 and 271,031.52 is: 374,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,757.20 : 485,645.04 = 271,031.52 : x
  2. Step 2: Convert to fraction form
    351,757.20/485,645.04 = 271,031.52/x
  3. Step 3: Cross multiply
    351,757.20x = 485,645.04 × 271,031.52
  4. Step 4: Simplify right side
    351,757.20x = 131,625,113,371.66
  5. Step 5: Solve for x
    x = 131,625,113,371.66/351,757.20
  6. Step 6: Final answer
    x = 374,193.09

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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.