Home / 325,622.08-449,362.96-212,379.84

Finding the Fourth Proportional to 325,622.08, 449,362.96 and 212,379.84

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Solution

The fourth proportional to 325,622.08, 449,362.96 and 212,379.84 is: 293,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,622.08 : 449,362.96 = 212,379.84 : x
  2. Step 2: Convert to fraction form
    325,622.08/449,362.96 = 212,379.84/x
  3. Step 3: Cross multiply
    325,622.08x = 449,362.96 × 212,379.84
  4. Step 4: Simplify right side
    325,622.08x = 95,435,633,546.73
  5. Step 5: Solve for x
    x = 95,435,633,546.73/325,622.08
  6. Step 6: Final answer
    x = 293,087.11

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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.