Finding the Fourth Proportional to 209,017.68, 288,447.84 and 113,524.48
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Solution
The fourth proportional to 209,017.68, 288,447.84 and 113,524.48 is: 156,665.65
Step by Step Solution
- Step 1: Write the proportion equation
209,017.68 : 288,447.84 = 113,524.48 : x - Step 2: Convert to fraction form
209,017.68/288,447.84 = 113,524.48/x - Step 3: Cross multiply
209,017.68x = 288,447.84 × 113,524.48 - Step 4: Simplify right side
209,017.68x = 32,745,891,043.12 - Step 5: Solve for x
x = 32,745,891,043.12/209,017.68 - Step 6: Final answer
x = 156,665.65
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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.