Home / 227,132.27-311,172.33-218,619.31

Finding the Fourth Proportional to 227,132.27, 311,172.33 and 218,619.31

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Solution

The fourth proportional to 227,132.27, 311,172.33 and 218,619.31 is: 299,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,132.27 : 311,172.33 = 218,619.31 : x
  2. Step 2: Convert to fraction form
    227,132.27/311,172.33 = 218,619.31/x
  3. Step 3: Cross multiply
    227,132.27x = 311,172.33 × 218,619.31
  4. Step 4: Simplify right side
    227,132.27x = 68,028,278,477.94
  5. Step 5: Solve for x
    x = 68,028,278,477.94/227,132.27
  6. Step 6: Final answer
    x = 299,509.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.