Finding the Fourth Proportional to 209,134.08, 288,622.08 and 119,715.84
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Solution
The fourth proportional to 209,134.08, 288,622.08 and 119,715.84 is: 165,217.62
Step by Step Solution
- Step 1: Write the proportion equation
209,134.08 : 288,622.08 = 119,715.84 : x - Step 2: Convert to fraction form
209,134.08/288,622.08 = 119,715.84/x - Step 3: Cross multiply
209,134.08x = 288,622.08 × 119,715.84 - Step 4: Simplify right side
209,134.08x = 34,552,634,749.75 - Step 5: Solve for x
x = 34,552,634,749.75/209,134.08 - Step 6: Final answer
x = 165,217.62
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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.