Home / 218,084.20-327,126.30-202,337.80

Finding the Fourth Proportional to 218,084.20, 327,126.30 and 202,337.80

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Solution

The fourth proportional to 218,084.20, 327,126.30 and 202,337.80 is: 303,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,084.20 : 327,126.30 = 202,337.80 : x
  2. Step 2: Convert to fraction form
    218,084.20/327,126.30 = 202,337.80/x
  3. Step 3: Cross multiply
    218,084.20x = 327,126.30 × 202,337.80
  4. Step 4: Simplify right side
    218,084.20x = 66,190,015,864.14
  5. Step 5: Solve for x
    x = 66,190,015,864.14/218,084.20
  6. Step 6: Final answer
    x = 303,506.70

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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.