Finding the Fourth Proportional to 187,062.72, 280,563.84 and 68,704.80
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Solution
The fourth proportional to 187,062.72, 280,563.84 and 68,704.80 is: 103,046.09
Step by Step Solution
- Step 1: Write the proportion equation
187,062.72 : 280,563.84 = 68,704.80 : x - Step 2: Convert to fraction form
187,062.72/280,563.84 = 68,704.80/x - Step 3: Cross multiply
187,062.72x = 280,563.84 × 68,704.80 - Step 4: Simplify right side
187,062.72x = 19,276,082,514.43 - Step 5: Solve for x
x = 19,276,082,514.43/187,062.72 - Step 6: Final answer
x = 103,046.09
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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.