Home / 325,815.51-449,625.39-198,491.01

Finding the Fourth Proportional to 325,815.51, 449,625.39 and 198,491.01

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Solution

The fourth proportional to 325,815.51, 449,625.39 and 198,491.01 is: 273,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,815.51 : 449,625.39 = 198,491.01 : x
  2. Step 2: Convert to fraction form
    325,815.51/449,625.39 = 198,491.01/x
  3. Step 3: Cross multiply
    325,815.51x = 449,625.39 × 198,491.01
  4. Step 4: Simplify right side
    325,815.51x = 89,246,597,782.74
  5. Step 5: Solve for x
    x = 89,246,597,782.74/325,815.51
  6. Step 6: Final answer
    x = 273,917.59

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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.