Home / 268,720.56-370,833.94-161,291.07

Finding the Fourth Proportional to 268,720.56, 370,833.94 and 161,291.07

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Solution

The fourth proportional to 268,720.56, 370,833.94 and 161,291.07 is: 222,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,720.56 : 370,833.94 = 161,291.07 : x
  2. Step 2: Convert to fraction form
    268,720.56/370,833.94 = 161,291.07/x
  3. Step 3: Cross multiply
    268,720.56x = 370,833.94 × 161,291.07
  4. Step 4: Simplify right side
    268,720.56x = 59,812,202,974.92
  5. Step 5: Solve for x
    x = 59,812,202,974.92/268,720.56
  6. Step 6: Final answer
    x = 222,581.42

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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.