Finding the Fourth Proportional to 209,261.76, 288,777.84 and 113,770.92
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Solution
The fourth proportional to 209,261.76, 288,777.84 and 113,770.92 is: 157,002.03
Step by Step Solution
- Step 1: Write the proportion equation
209,261.76 : 288,777.84 = 113,770.92 : x - Step 2: Convert to fraction form
209,261.76/288,777.84 = 113,770.92/x - Step 3: Cross multiply
209,261.76x = 288,777.84 × 113,770.92 - Step 4: Simplify right side
209,261.76x = 32,854,520,532.41 - Step 5: Solve for x
x = 32,854,520,532.41/209,261.76 - Step 6: Final answer
x = 157,002.03
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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.