Home / 204,485.92-306,759.84-64,231.36

Finding the Fourth Proportional to 204,485.92, 306,759.84 and 64,231.36

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Solution

The fourth proportional to 204,485.92, 306,759.84 and 64,231.36 is: 96,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,485.92 : 306,759.84 = 64,231.36 : x
  2. Step 2: Convert to fraction form
    204,485.92/306,759.84 = 64,231.36/x
  3. Step 3: Cross multiply
    204,485.92x = 306,759.84 × 64,231.36
  4. Step 4: Simplify right side
    204,485.92x = 19,703,601,716.58
  5. Step 5: Solve for x
    x = 19,703,601,716.58/204,485.92
  6. Step 6: Final answer
    x = 96,356.76

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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.