Home / 381,730.20-526,836.06-230,910.36

Finding the Fourth Proportional to 381,730.20, 526,836.06 and 230,910.36

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Solution

The fourth proportional to 381,730.20, 526,836.06 and 230,910.36 is: 318,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,730.20 : 526,836.06 = 230,910.36 : x
  2. Step 2: Convert to fraction form
    381,730.20/526,836.06 = 230,910.36/x
  3. Step 3: Cross multiply
    381,730.20x = 526,836.06 × 230,910.36
  4. Step 4: Simplify right side
    381,730.20x = 121,651,904,275.58
  5. Step 5: Solve for x
    x = 121,651,904,275.58/381,730.20
  6. Step 6: Final answer
    x = 318,685.56

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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.