Home / 281,321.08-388,198.49-166,579.13

Finding the Fourth Proportional to 281,321.08, 388,198.49 and 166,579.13

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Solution

The fourth proportional to 281,321.08, 388,198.49 and 166,579.13 is: 229,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,321.08 : 388,198.49 = 166,579.13 : x
  2. Step 2: Convert to fraction form
    281,321.08/388,198.49 = 166,579.13/x
  3. Step 3: Cross multiply
    281,321.08x = 388,198.49 × 166,579.13
  4. Step 4: Simplify right side
    281,321.08x = 64,665,766,869.11
  5. Step 5: Solve for x
    x = 64,665,766,869.11/281,321.08
  6. Step 6: Final answer
    x = 229,864.64

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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.