Finding the Fourth Proportional to 209,154.44, 288,632.88 and 113,660.92
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Solution
The fourth proportional to 209,154.44, 288,632.88 and 113,660.92 is: 156,851.94
Step by Step Solution
- Step 1: Write the proportion equation
209,154.44 : 288,632.88 = 113,660.92 : x - Step 2: Convert to fraction form
209,154.44/288,632.88 = 113,660.92/x - Step 3: Cross multiply
209,154.44x = 288,632.88 × 113,660.92 - Step 4: Simplify right side
209,154.44x = 32,806,278,683.05 - Step 5: Solve for x
x = 32,806,278,683.05/209,154.44 - Step 6: Final answer
x = 156,851.94
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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.