Finding the Fourth Proportional to 271,179.12, 374,236.88 and 163,728.28
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Solution
The fourth proportional to 271,179.12, 374,236.88 and 163,728.28 is: 225,950.88
Step by Step Solution
- Step 1: Write the proportion equation
271,179.12 : 374,236.88 = 163,728.28 : x - Step 2: Convert to fraction form
271,179.12/374,236.88 = 163,728.28/x - Step 3: Cross multiply
271,179.12x = 374,236.88 × 163,728.28 - Step 4: Simplify right side
271,179.12x = 61,273,160,674.97 - Step 5: Solve for x
x = 61,273,160,674.97/271,179.12 - Step 6: Final answer
x = 225,950.88
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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.