Finding the Fourth Proportional to 324,221.28, 447,432.92 and 203,367.68
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Solution
The fourth proportional to 324,221.28, 447,432.92 and 203,367.68 is: 280,652.14
Step by Step Solution
- Step 1: Write the proportion equation
324,221.28 : 447,432.92 = 203,367.68 : x - Step 2: Convert to fraction form
324,221.28/447,432.92 = 203,367.68/x - Step 3: Cross multiply
324,221.28x = 447,432.92 × 203,367.68 - Step 4: Simplify right side
324,221.28x = 90,993,394,896.03 - Step 5: Solve for x
x = 90,993,394,896.03/324,221.28 - Step 6: Final answer
x = 280,652.14
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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.