Home / 381,723.02-526,801.50-211,958.36

Finding the Fourth Proportional to 381,723.02, 526,801.50 and 211,958.36

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Solution

The fourth proportional to 381,723.02, 526,801.50 and 211,958.36 is: 292,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,723.02 : 526,801.50 = 211,958.36 : x
  2. Step 2: Convert to fraction form
    381,723.02/526,801.50 = 211,958.36/x
  3. Step 3: Cross multiply
    381,723.02x = 526,801.50 × 211,958.36
  4. Step 4: Simplify right side
    381,723.02x = 111,659,979,351.53
  5. Step 5: Solve for x
    x = 111,659,979,351.53/381,723.02
  6. Step 6: Final answer
    x = 292,515.71

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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.