Finding the Fourth Proportional to 192,514.28, 288,820.62 and 74,153.84
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Solution
The fourth proportional to 192,514.28, 288,820.62 and 74,153.84 is: 111,249.71
Step by Step Solution
- Step 1: Write the proportion equation
192,514.28 : 288,820.62 = 74,153.84 : x - Step 2: Convert to fraction form
192,514.28/288,820.62 = 74,153.84/x - Step 3: Cross multiply
192,514.28x = 288,820.62 × 74,153.84 - Step 4: Simplify right side
192,514.28x = 21,417,156,600.08 - Step 5: Solve for x
x = 21,417,156,600.08/192,514.28 - Step 6: Final answer
x = 111,249.71
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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.