Home / 323,046.20-445,325.69-206,746.85

Finding the Fourth Proportional to 323,046.20, 445,325.69 and 206,746.85

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Solution

The fourth proportional to 323,046.20, 445,325.69 and 206,746.85 is: 285,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,046.20 : 445,325.69 = 206,746.85 : x
  2. Step 2: Convert to fraction form
    323,046.20/445,325.69 = 206,746.85/x
  3. Step 3: Cross multiply
    323,046.20x = 445,325.69 × 206,746.85
  4. Step 4: Simplify right side
    323,046.20x = 92,069,681,921.82
  5. Step 5: Solve for x
    x = 92,069,681,921.82/323,046.20
  6. Step 6: Final answer
    x = 285,004.69

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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.