Finding the Fourth Proportional to 276,514.08, 381,450.24 and 161,717.64
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Solution
The fourth proportional to 276,514.08, 381,450.24 and 161,717.64 is: 223,088.94
Step by Step Solution
- Step 1: Write the proportion equation
276,514.08 : 381,450.24 = 161,717.64 : x - Step 2: Convert to fraction form
276,514.08/381,450.24 = 161,717.64/x - Step 3: Cross multiply
276,514.08x = 381,450.24 × 161,717.64 - Step 4: Simplify right side
276,514.08x = 61,687,232,590.23 - Step 5: Solve for x
x = 61,687,232,590.23/276,514.08 - Step 6: Final answer
x = 223,088.94
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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.