Home / 381,531.44-526,418.52-211,723.04

Finding the Fourth Proportional to 381,531.44, 526,418.52 and 211,723.04

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Solution

The fourth proportional to 381,531.44, 526,418.52 and 211,723.04 is: 292,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,531.44 : 526,418.52 = 211,723.04 : x
  2. Step 2: Convert to fraction form
    381,531.44/526,418.52 = 211,723.04/x
  3. Step 3: Cross multiply
    381,531.44x = 526,418.52 × 211,723.04
  4. Step 4: Simplify right side
    381,531.44x = 111,454,929,366.70
  5. Step 5: Solve for x
    x = 111,454,929,366.70/381,531.44
  6. Step 6: Final answer
    x = 292,125.15

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1.5x scale

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.