Finding the Fourth Proportional to 494,033.38, 681,676.36 and 276,246.05
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Solution
The fourth proportional to 494,033.38, 681,676.36 and 276,246.05 is: 381,169.38
Step by Step Solution
- Step 1: Write the proportion equation
494,033.38 : 681,676.36 = 276,246.05 : x - Step 2: Convert to fraction form
494,033.38/681,676.36 = 276,246.05/x - Step 3: Cross multiply
494,033.38x = 681,676.36 × 276,246.05 - Step 4: Simplify right side
494,033.38x = 188,310,397,729.38 - Step 5: Solve for x
x = 188,310,397,729.38/494,033.38 - Step 6: Final answer
x = 381,169.38
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1.5x scale
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.