Finding the Fourth Proportional to 192,741.92, 288,957.05 and 80,508.12
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Solution
The fourth proportional to 192,741.92, 288,957.05 and 80,508.12 is: 120,697.09
Step by Step Solution
- Step 1: Write the proportion equation
192,741.92 : 288,957.05 = 80,508.12 : x - Step 2: Convert to fraction form
192,741.92/288,957.05 = 80,508.12/x - Step 3: Cross multiply
192,741.92x = 288,957.05 × 80,508.12 - Step 4: Simplify right side
192,741.92x = 23,263,388,856.25 - Step 5: Solve for x
x = 23,263,388,856.25/192,741.92 - Step 6: Final answer
x = 120,697.09
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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.