Finding the Fourth Proportional to 203,493.80, 305,240.70 and 150,349.70
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Solution
The fourth proportional to 203,493.80, 305,240.70 and 150,349.70 is: 225,524.55
Step by Step Solution
- Step 1: Write the proportion equation
203,493.80 : 305,240.70 = 150,349.70 : x - Step 2: Convert to fraction form
203,493.80/305,240.70 = 150,349.70/x - Step 3: Cross multiply
203,493.80x = 305,240.70 × 150,349.70 - Step 4: Simplify right side
203,493.80x = 45,892,847,672.79 - Step 5: Solve for x
x = 45,892,847,672.79/203,493.80 - Step 6: Final answer
x = 225,524.55
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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.