Home / 327,328.62-490,992.93-102,723.72

Finding the Fourth Proportional to 327,328.62, 490,992.93 and 102,723.72

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Solution

The fourth proportional to 327,328.62, 490,992.93 and 102,723.72 is: 154,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,328.62 : 490,992.93 = 102,723.72 : x
  2. Step 2: Convert to fraction form
    327,328.62/490,992.93 = 102,723.72/x
  3. Step 3: Cross multiply
    327,328.62x = 490,992.93 × 102,723.72
  4. Step 4: Simplify right side
    327,328.62x = 50,436,620,263.30
  5. Step 5: Solve for x
    x = 50,436,620,263.30/327,328.62
  6. Step 6: Final answer
    x = 154,085.58

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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.