Finding the Fourth Proportional to 209,088.80, 288,540.99 and 113,596.28
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Solution
The fourth proportional to 209,088.80, 288,540.99 and 113,596.28 is: 156,762.02
Step by Step Solution
- Step 1: Write the proportion equation
209,088.80 : 288,540.99 = 113,596.28 : x - Step 2: Convert to fraction form
209,088.80/288,540.99 = 113,596.28/x - Step 3: Cross multiply
209,088.80x = 288,540.99 × 113,596.28 - Step 4: Simplify right side
209,088.80x = 32,777,183,091.52 - Step 5: Solve for x
x = 32,777,183,091.52/209,088.80 - Step 6: Final answer
x = 156,762.02
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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.