Home / 215,450.82-322,150.23-196,628.85

Finding the Fourth Proportional to 215,450.82, 322,150.23 and 196,628.85

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Solution

The fourth proportional to 215,450.82, 322,150.23 and 196,628.85 is: 294,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,450.82 : 322,150.23 = 196,628.85 : x
  2. Step 2: Convert to fraction form
    215,450.82/322,150.23 = 196,628.85/x
  3. Step 3: Cross multiply
    215,450.82x = 322,150.23 × 196,628.85
  4. Step 4: Simplify right side
    215,450.82x = 63,344,029,252.14
  5. Step 5: Solve for x
    x = 63,344,029,252.14/215,450.82
  6. Step 6: Final answer
    x = 294,006.91

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1.5x scale

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.