Finding the Fourth Proportional to 471,714.63, 650,879.71 and 278,183.05
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Solution
The fourth proportional to 471,714.63, 650,879.71 and 278,183.05 is: 383,841.61
Step by Step Solution
- Step 1: Write the proportion equation
471,714.63 : 650,879.71 = 278,183.05 : x - Step 2: Convert to fraction form
471,714.63/650,879.71 = 278,183.05/x - Step 3: Cross multiply
471,714.63x = 650,879.71 × 278,183.05 - Step 4: Simplify right side
471,714.63x = 181,063,702,910.92 - Step 5: Solve for x
x = 181,063,702,910.92/471,714.63 - Step 6: Final answer
x = 383,841.61
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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.