Finding the Fourth Proportional to 305,577.73, 421,691.26 and 169,613.31
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Solution
The fourth proportional to 305,577.73, 421,691.26 and 169,613.31 is: 234,063.03
Step by Step Solution
- Step 1: Write the proportion equation
305,577.73 : 421,691.26 = 169,613.31 : x - Step 2: Convert to fraction form
305,577.73/421,691.26 = 169,613.31/x - Step 3: Cross multiply
305,577.73x = 421,691.26 × 169,613.31 - Step 4: Simplify right side
305,577.73x = 71,524,450,406.67 - Step 5: Solve for x
x = 71,524,450,406.67/305,577.73 - Step 6: Final answer
x = 234,063.03
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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.