Finding the Fourth Proportional to 209,226.91, 288,733.35 and 113,733.61
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Solution
The fourth proportional to 209,226.91, 288,733.35 and 113,733.61 is: 156,952.50
Step by Step Solution
- Step 1: Write the proportion equation
209,226.91 : 288,733.35 = 113,733.61 : x - Step 2: Convert to fraction form
209,226.91/288,733.35 = 113,733.61/x - Step 3: Cross multiply
209,226.91x = 288,733.35 × 113,733.61 - Step 4: Simplify right side
209,226.91x = 32,838,686,222.89 - Step 5: Solve for x
x = 32,838,686,222.89/209,226.91 - Step 6: Final answer
x = 156,952.50
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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.