Finding the Fourth Proportional to 271,607.45, 407,312.76 and 121,770.62
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Solution
The fourth proportional to 271,607.45, 407,312.76 and 121,770.62 is: 182,611.80
Step by Step Solution
- Step 1: Write the proportion equation
271,607.45 : 407,312.76 = 121,770.62 : x - Step 2: Convert to fraction form
271,607.45/407,312.76 = 121,770.62/x - Step 3: Cross multiply
271,607.45x = 407,312.76 × 121,770.62 - Step 4: Simplify right side
271,607.45x = 49,598,725,778.56 - Step 5: Solve for x
x = 49,598,725,778.56/271,607.45 - Step 6: Final answer
x = 182,611.80
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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.