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Finding the Fourth Proportional to 491,163.79, 736,745.89 and 220,976.44

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Solution

The fourth proportional to 491,163.79, 736,745.89 and 220,976.44 is: 331,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,163.79 : 736,745.89 = 220,976.44 : x
  2. Step 2: Convert to fraction form
    491,163.79/736,745.89 = 220,976.44/x
  3. Step 3: Cross multiply
    491,163.79x = 736,745.89 × 220,976.44
  4. Step 4: Simplify right side
    491,163.79x = 162,803,482,851.95
  5. Step 5: Solve for x
    x = 162,803,482,851.95/491,163.79
  6. Step 6: Final answer
    x = 331,464.75

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.