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Finding the Fourth Proportional to 381,250.44, 526,188.48 and 211,539.24

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Solution

The fourth proportional to 381,250.44, 526,188.48 and 211,539.24 is: 291,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,250.44 : 526,188.48 = 211,539.24 : x
  2. Step 2: Convert to fraction form
    381,250.44/526,188.48 = 211,539.24/x
  3. Step 3: Cross multiply
    381,250.44x = 526,188.48 × 211,539.24
  4. Step 4: Simplify right side
    381,250.44x = 111,309,511,155.96
  5. Step 5: Solve for x
    x = 111,309,511,155.96/381,250.44
  6. Step 6: Final answer
    x = 291,959.04

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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.