Finding the Fourth Proportional to 203,363.20, 305,217.60 and 163,964.80
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Solution
The fourth proportional to 203,363.20, 305,217.60 and 163,964.80 is: 246,086.52
Step by Step Solution
- Step 1: Write the proportion equation
203,363.20 : 305,217.60 = 163,964.80 : x - Step 2: Convert to fraction form
203,363.20/305,217.60 = 163,964.80/x - Step 3: Cross multiply
203,363.20x = 305,217.60 × 163,964.80 - Step 4: Simplify right side
203,363.20x = 50,044,942,740.48 - Step 5: Solve for x
x = 50,044,942,740.48/203,363.20 - Step 6: Final answer
x = 246,086.52
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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.