Home / 268,979.01-371,192.09-161,550.87

Finding the Fourth Proportional to 268,979.01, 371,192.09 and 161,550.87

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Solution

The fourth proportional to 268,979.01, 371,192.09 and 161,550.87 is: 222,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,979.01 : 371,192.09 = 161,550.87 : x
  2. Step 2: Convert to fraction form
    268,979.01/371,192.09 = 161,550.87/x
  3. Step 3: Cross multiply
    268,979.01x = 371,192.09 × 161,550.87
  4. Step 4: Simplify right side
    268,979.01x = 59,966,404,268.86
  5. Step 5: Solve for x
    x = 59,966,404,268.86/268,979.01
  6. Step 6: Final answer
    x = 222,940.83

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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.