Home / 218,238.22-327,437.30-91,910.27

Finding the Fourth Proportional to 218,238.22, 327,437.30 and 91,910.27

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Solution

The fourth proportional to 218,238.22, 327,437.30 and 91,910.27 is: 137,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,238.22 : 327,437.30 = 91,910.27 : x
  2. Step 2: Convert to fraction form
    218,238.22/327,437.30 = 91,910.27/x
  3. Step 3: Cross multiply
    218,238.22x = 327,437.30 × 91,910.27
  4. Step 4: Simplify right side
    218,238.22x = 30,094,850,651.07
  5. Step 5: Solve for x
    x = 30,094,850,651.07/218,238.22
  6. Step 6: Final answer
    x = 137,899.08

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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.