Finding the Fourth Proportional to 271,198.80, 374,252.27 and 148,689.74
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Solution
The fourth proportional to 271,198.80, 374,252.27 and 148,689.74 is: 205,190.70
Step by Step Solution
- Step 1: Write the proportion equation
271,198.80 : 374,252.27 = 148,689.74 : x - Step 2: Convert to fraction form
271,198.80/374,252.27 = 148,689.74/x - Step 3: Cross multiply
271,198.80x = 374,252.27 × 148,689.74 - Step 4: Simplify right side
271,198.80x = 55,647,472,912.89 - Step 5: Solve for x
x = 55,647,472,912.89/271,198.80 - Step 6: Final answer
x = 205,190.70
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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.