Home / 218,383.03-327,583.86-76,242.61

Finding the Fourth Proportional to 218,383.03, 327,583.86 and 76,242.61

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Solution

The fourth proportional to 218,383.03, 327,583.86 and 76,242.61 is: 114,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,383.03 : 327,583.86 = 76,242.61 : x
  2. Step 2: Convert to fraction form
    218,383.03/327,583.86 = 76,242.61/x
  3. Step 3: Cross multiply
    218,383.03x = 327,583.86 × 76,242.61
  4. Step 4: Simplify right side
    218,383.03x = 24,975,848,480.27
  5. Step 5: Solve for x
    x = 24,975,848,480.27/218,383.03
  6. Step 6: Final answer
    x = 114,367.17

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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.