Home / 322,621.11-445,211.37-179,378.01

Finding the Fourth Proportional to 322,621.11, 445,211.37 and 179,378.01

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Solution

The fourth proportional to 322,621.11, 445,211.37 and 179,378.01 is: 247,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,621.11 : 445,211.37 = 179,378.01 : x
  2. Step 2: Convert to fraction form
    322,621.11/445,211.37 = 179,378.01/x
  3. Step 3: Cross multiply
    322,621.11x = 445,211.37 × 179,378.01
  4. Step 4: Simplify right side
    322,621.11x = 79,861,129,579.97
  5. Step 5: Solve for x
    x = 79,861,129,579.97/322,621.11
  6. Step 6: Final answer
    x = 247,538.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.