Finding the Fourth Proportional to 494,555.08, 682,514.80 and 276,761.92
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Solution
The fourth proportional to 494,555.08, 682,514.80 and 276,761.92 is: 381,947.56
Step by Step Solution
- Step 1: Write the proportion equation
494,555.08 : 682,514.80 = 276,761.92 : x - Step 2: Convert to fraction form
494,555.08/682,514.80 = 276,761.92/x - Step 3: Cross multiply
494,555.08x = 682,514.80 × 276,761.92 - Step 4: Simplify right side
494,555.08x = 188,894,106,476.42 - Step 5: Solve for x
x = 188,894,106,476.42/494,555.08 - Step 6: Final answer
x = 381,947.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.