Home / 386,129.28-532,542.48-271,786.44

Finding the Fourth Proportional to 386,129.28, 532,542.48 and 271,786.44

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Solution

The fourth proportional to 386,129.28, 532,542.48 and 271,786.44 is: 374,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,129.28 : 532,542.48 = 271,786.44 : x
  2. Step 2: Convert to fraction form
    386,129.28/532,542.48 = 271,786.44/x
  3. Step 3: Cross multiply
    386,129.28x = 532,542.48 × 271,786.44
  4. Step 4: Simplify right side
    386,129.28x = 144,737,824,787.97
  5. Step 5: Solve for x
    x = 144,737,824,787.97/386,129.28
  6. Step 6: Final answer
    x = 374,842.91

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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.