Home / 218,147.24-327,211.34-68,384.11

Finding the Fourth Proportional to 218,147.24, 327,211.34 and 68,384.11

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Solution

The fourth proportional to 218,147.24, 327,211.34 and 68,384.11 is: 102,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,147.24 : 327,211.34 = 68,384.11 : x
  2. Step 2: Convert to fraction form
    218,147.24/327,211.34 = 68,384.11/x
  3. Step 3: Cross multiply
    218,147.24x = 327,211.34 × 68,384.11
  4. Step 4: Simplify right side
    218,147.24x = 22,376,057,171.32
  5. Step 5: Solve for x
    x = 22,376,057,171.32/218,147.24
  6. Step 6: Final answer
    x = 102,573.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.