Home / 218,919.72-327,739.72-197,908.08

Finding the Fourth Proportional to 218,919.72, 327,739.72 and 197,908.08

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Solution

The fourth proportional to 218,919.72, 327,739.72 and 197,908.08 is: 296,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,919.72 : 327,739.72 = 197,908.08 : x
  2. Step 2: Convert to fraction form
    218,919.72/327,739.72 = 197,908.08/x
  3. Step 3: Cross multiply
    218,919.72x = 327,739.72 × 197,908.08
  4. Step 4: Simplify right side
    218,919.72x = 64,862,338,724.94
  5. Step 5: Solve for x
    x = 64,862,338,724.94/218,919.72
  6. Step 6: Final answer
    x = 296,283.67

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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.