Home / 204,318.05-306,546.04-90,450.15

Finding the Fourth Proportional to 204,318.05, 306,546.04 and 90,450.15

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Solution

The fourth proportional to 204,318.05, 306,546.04 and 90,450.15 is: 135,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,318.05 : 306,546.04 = 90,450.15 : x
  2. Step 2: Convert to fraction form
    204,318.05/306,546.04 = 90,450.15/x
  3. Step 3: Cross multiply
    204,318.05x = 306,546.04 × 90,450.15
  4. Step 4: Simplify right side
    204,318.05x = 27,727,134,538.17
  5. Step 5: Solve for x
    x = 27,727,134,538.17/204,318.05
  6. Step 6: Final answer
    x = 135,705.75

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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.