Finding the Fourth Proportional to 216,195.95, 324,260.66 and 72,104.31
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Solution
The fourth proportional to 216,195.95, 324,260.66 and 72,104.31 is: 108,145.37
Step by Step Solution
- Step 1: Write the proportion equation
216,195.95 : 324,260.66 = 72,104.31 : x - Step 2: Convert to fraction form
216,195.95/324,260.66 = 72,104.31/x - Step 3: Cross multiply
216,195.95x = 324,260.66 × 72,104.31 - Step 4: Simplify right side
216,195.95x = 23,380,591,149.44 - Step 5: Solve for x
x = 23,380,591,149.44/216,195.95 - Step 6: Final answer
x = 108,145.37
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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.