Home / 327,358.23-490,982.67-90,724.83

Finding the Fourth Proportional to 327,358.23, 490,982.67 and 90,724.83

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Solution

The fourth proportional to 327,358.23, 490,982.67 and 90,724.83 is: 136,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,358.23 : 490,982.67 = 90,724.83 : x
  2. Step 2: Convert to fraction form
    327,358.23/490,982.67 = 90,724.83/x
  3. Step 3: Cross multiply
    327,358.23x = 490,982.67 × 90,724.83
  4. Step 4: Simplify right side
    327,358.23x = 44,544,319,268.70
  5. Step 5: Solve for x
    x = 44,544,319,268.70/327,358.23
  6. Step 6: Final answer
    x = 136,072.09

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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.