Finding the Fourth Proportional to 251,096.88, 346,514.64 and 136,375.68
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Solution
The fourth proportional to 251,096.88, 346,514.64 and 136,375.68 is: 188,198.95
Step by Step Solution
- Step 1: Write the proportion equation
251,096.88 : 346,514.64 = 136,375.68 : x - Step 2: Convert to fraction form
251,096.88/346,514.64 = 136,375.68/x - Step 3: Cross multiply
251,096.88x = 346,514.64 × 136,375.68 - Step 4: Simplify right side
251,096.88x = 47,256,169,659.96 - Step 5: Solve for x
x = 47,256,169,659.96/251,096.88 - Step 6: Final answer
x = 188,198.95
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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.