Home / 227,020.72-313,261.16-130,219.56

Finding the Fourth Proportional to 227,020.72, 313,261.16 and 130,219.56

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Solution

The fourth proportional to 227,020.72, 313,261.16 and 130,219.56 is: 179,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,020.72 : 313,261.16 = 130,219.56 : x
  2. Step 2: Convert to fraction form
    227,020.72/313,261.16 = 130,219.56/x
  3. Step 3: Cross multiply
    227,020.72x = 313,261.16 × 130,219.56
  4. Step 4: Simplify right side
    227,020.72x = 40,792,730,420.29
  5. Step 5: Solve for x
    x = 40,792,730,420.29/227,020.72
  6. Step 6: Final answer
    x = 179,687.26

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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.