Home / 215,252.80-322,879.46-102,906.60

Finding the Fourth Proportional to 215,252.80, 322,879.46 and 102,906.60

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Solution

The fourth proportional to 215,252.80, 322,879.46 and 102,906.60 is: 154,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,252.80 : 322,879.46 = 102,906.60 : x
  2. Step 2: Convert to fraction form
    215,252.80/322,879.46 = 102,906.60/x
  3. Step 3: Cross multiply
    215,252.80x = 322,879.46 × 102,906.60
  4. Step 4: Simplify right side
    215,252.80x = 33,226,427,438.44
  5. Step 5: Solve for x
    x = 33,226,427,438.44/215,252.80
  6. Step 6: Final answer
    x = 154,360.02

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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.