Finding the Fourth Proportional to 227,998.98, 342,067.66 and 121,364.78
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Solution
The fourth proportional to 227,998.98, 342,067.66 and 121,364.78 is: 182,083.99
Step by Step Solution
- Step 1: Write the proportion equation
227,998.98 : 342,067.66 = 121,364.78 : x - Step 2: Convert to fraction form
227,998.98/342,067.66 = 121,364.78/x - Step 3: Cross multiply
227,998.98x = 342,067.66 × 121,364.78 - Step 4: Simplify right side
227,998.98x = 41,514,964,287.26 - Step 5: Solve for x
x = 41,514,964,287.26/227,998.98 - Step 6: Final answer
x = 182,083.99
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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.