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Finding the Fourth Proportional to 324,498.66, 447,817.23 and 179,313.81

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Solution

The fourth proportional to 324,498.66, 447,817.23 and 179,313.81 is: 247,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,498.66 : 447,817.23 = 179,313.81 : x
  2. Step 2: Convert to fraction form
    324,498.66/447,817.23 = 179,313.81/x
  3. Step 3: Cross multiply
    324,498.66x = 447,817.23 × 179,313.81
  4. Step 4: Simplify right side
    324,498.66x = 80,299,813,694.95
  5. Step 5: Solve for x
    x = 80,299,813,694.95/324,498.66
  6. Step 6: Final answer
    x = 247,458.07

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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.