Finding the Fourth Proportional to 217,514.26, 300,168.36 and 126,863.11
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Solution
The fourth proportional to 217,514.26, 300,168.36 and 126,863.11 is: 175,070.32
Step by Step Solution
- Step 1: Write the proportion equation
217,514.26 : 300,168.36 = 126,863.11 : x - Step 2: Convert to fraction form
217,514.26/300,168.36 = 126,863.11/x - Step 3: Cross multiply
217,514.26x = 300,168.36 × 126,863.11 - Step 4: Simplify right side
217,514.26x = 38,080,291,673.20 - Step 5: Solve for x
x = 38,080,291,673.20/217,514.26 - Step 6: Final answer
x = 175,070.32
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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.