Home / 218,918.70-327,738.29-197,907.10

Finding the Fourth Proportional to 218,918.70, 327,738.29 and 197,907.10

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Solution

The fourth proportional to 218,918.70, 327,738.29 and 197,907.10 is: 296,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,918.70 : 327,738.29 = 197,907.10 : x
  2. Step 2: Convert to fraction form
    218,918.70/327,738.29 = 197,907.10/x
  3. Step 3: Cross multiply
    218,918.70x = 327,738.29 × 197,907.10
  4. Step 4: Simplify right side
    218,918.70x = 64,861,732,723.98
  5. Step 5: Solve for x
    x = 64,861,732,723.98/218,918.70
  6. Step 6: Final answer
    x = 296,282.29

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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.