Finding the Fourth Proportional to 215,382.92, 323,212.62 and 104,514.44
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Solution
The fourth proportional to 215,382.92, 323,212.62 and 104,514.44 is: 156,838.74
Step by Step Solution
- Step 1: Write the proportion equation
215,382.92 : 323,212.62 = 104,514.44 : x - Step 2: Convert to fraction form
215,382.92/323,212.62 = 104,514.44/x - Step 3: Cross multiply
215,382.92x = 323,212.62 × 104,514.44 - Step 4: Simplify right side
215,382.92x = 33,780,385,980.23 - Step 5: Solve for x
x = 33,780,385,980.23/215,382.92 - Step 6: Final answer
x = 156,838.74
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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.