Finding the Fourth Proportional to 207,687.09, 286,604.21 and 117,041.23
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Solution
The fourth proportional to 207,687.09, 286,604.21 and 117,041.23 is: 161,514.67
Step by Step Solution
- Step 1: Write the proportion equation
207,687.09 : 286,604.21 = 117,041.23 : x - Step 2: Convert to fraction form
207,687.09/286,604.21 = 117,041.23/x - Step 3: Cross multiply
207,687.09x = 286,604.21 × 117,041.23 - Step 4: Simplify right side
207,687.09x = 33,544,511,125.77 - Step 5: Solve for x
x = 33,544,511,125.77/207,687.09 - Step 6: Final answer
x = 161,514.67
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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.