Finding the Fourth Proportional to 484,405.22, 726,611.88 and 168,861.62
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Solution
The fourth proportional to 484,405.22, 726,611.88 and 168,861.62 is: 253,293.84
Step by Step Solution
- Step 1: Write the proportion equation
484,405.22 : 726,611.88 = 168,861.62 : x - Step 2: Convert to fraction form
484,405.22/726,611.88 = 168,861.62/x - Step 3: Cross multiply
484,405.22x = 726,611.88 × 168,861.62 - Step 4: Simplify right side
484,405.22x = 122,696,859,168.05 - Step 5: Solve for x
x = 122,696,859,168.05/484,405.22 - Step 6: Final answer
x = 253,293.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.