Finding the Fourth Proportional to 305,214.44, 421,198.29 and 169,240.44
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Solution
The fourth proportional to 305,214.44, 421,198.29 and 169,240.44 is: 233,553.12
Step by Step Solution
- Step 1: Write the proportion equation
305,214.44 : 421,198.29 = 169,240.44 : x - Step 2: Convert to fraction form
305,214.44/421,198.29 = 169,240.44/x - Step 3: Cross multiply
305,214.44x = 421,198.29 × 169,240.44 - Step 4: Simplify right side
305,214.44x = 71,283,783,926.85 - Step 5: Solve for x
x = 71,283,783,926.85/305,214.44 - Step 6: Final answer
x = 233,553.12
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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.