Finding the Fourth Proportional to 192,502.75, 288,803.34 and 80,145.62
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Solution
The fourth proportional to 192,502.75, 288,803.34 and 80,145.62 is: 120,238.92
Step by Step Solution
- Step 1: Write the proportion equation
192,502.75 : 288,803.34 = 80,145.62 : x - Step 2: Convert to fraction form
192,502.75/288,803.34 = 80,145.62/x - Step 3: Cross multiply
192,502.75x = 288,803.34 × 80,145.62 - Step 4: Simplify right side
192,502.75x = 23,146,322,742.37 - Step 5: Solve for x
x = 23,146,322,742.37/192,502.75 - Step 6: Final answer
x = 120,238.92
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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.