Home / 381,836.82-526,816.20-220,633.02

Finding the Fourth Proportional to 381,836.82, 526,816.20 and 220,633.02

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Solution

The fourth proportional to 381,836.82, 526,816.20 and 220,633.02 is: 304,405.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,836.82 : 526,816.20 = 220,633.02 : x
  2. Step 2: Convert to fraction form
    381,836.82/526,816.20 = 220,633.02/x
  3. Step 3: Cross multiply
    381,836.82x = 526,816.20 × 220,633.02
  4. Step 4: Simplify right side
    381,836.82x = 116,233,049,190.92
  5. Step 5: Solve for x
    x = 116,233,049,190.92/381,836.82
  6. Step 6: Final answer
    x = 304,405.03

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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.