Finding the Fourth Proportional to 202,879.68, 304,100.96 and 84,519.36
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Solution
The fourth proportional to 202,879.68, 304,100.96 and 84,519.36 is: 126,687.99
Step by Step Solution
- Step 1: Write the proportion equation
202,879.68 : 304,100.96 = 84,519.36 : x - Step 2: Convert to fraction form
202,879.68/304,100.96 = 84,519.36/x - Step 3: Cross multiply
202,879.68x = 304,100.96 × 84,519.36 - Step 4: Simplify right side
202,879.68x = 25,702,418,514.59 - Step 5: Solve for x
x = 25,702,418,514.59/202,879.68 - Step 6: Final answer
x = 126,687.99
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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.