Home / 227,019.18-313,286.40-131,581.20

Finding the Fourth Proportional to 227,019.18, 313,286.40 and 131,581.20

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Solution

The fourth proportional to 227,019.18, 313,286.40 and 131,581.20 is: 181,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,019.18 : 313,286.40 = 131,581.20 : x
  2. Step 2: Convert to fraction form
    227,019.18/313,286.40 = 131,581.20/x
  3. Step 3: Cross multiply
    227,019.18x = 313,286.40 × 131,581.20
  4. Step 4: Simplify right side
    227,019.18x = 41,222,600,455.68
  5. Step 5: Solve for x
    x = 41,222,600,455.68/227,019.18
  6. Step 6: Final answer
    x = 181,582.02

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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.