Finding the Fourth Proportional to 209,044.06, 288,481.35 and 113,549.98
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Solution
The fourth proportional to 209,044.06, 288,481.35 and 113,549.98 is: 156,699.27
Step by Step Solution
- Step 1: Write the proportion equation
209,044.06 : 288,481.35 = 113,549.98 : x - Step 2: Convert to fraction form
209,044.06/288,481.35 = 113,549.98/x - Step 3: Cross multiply
209,044.06x = 288,481.35 × 113,549.98 - Step 4: Simplify right side
209,044.06x = 32,757,051,522.87 - Step 5: Solve for x
x = 32,757,051,522.87/209,044.06 - Step 6: Final answer
x = 156,699.27
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1.5x scale
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.