Home / 327,901.36-491,869.67-103,279.37

Finding the Fourth Proportional to 327,901.36, 491,869.67 and 103,279.37

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Solution

The fourth proportional to 327,901.36, 491,869.67 and 103,279.37 is: 154,924.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,901.36 : 491,869.67 = 103,279.37 : x
  2. Step 2: Convert to fraction form
    327,901.36/491,869.67 = 103,279.37/x
  3. Step 3: Cross multiply
    327,901.36x = 491,869.67 × 103,279.37
  4. Step 4: Simplify right side
    327,901.36x = 50,799,989,430.73
  5. Step 5: Solve for x
    x = 50,799,989,430.73/327,901.36
  6. Step 6: Final answer
    x = 154,924.61

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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.