Finding the Fourth Proportional to 207,961.92, 311,909.76 and 58,186.08
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Solution
The fourth proportional to 207,961.92, 311,909.76 and 58,186.08 is: 87,269.85
Step by Step Solution
- Step 1: Write the proportion equation
207,961.92 : 311,909.76 = 58,186.08 : x - Step 2: Convert to fraction form
207,961.92/311,909.76 = 58,186.08/x - Step 3: Cross multiply
207,961.92x = 311,909.76 × 58,186.08 - Step 4: Simplify right side
207,961.92x = 18,148,806,248.14 - Step 5: Solve for x
x = 18,148,806,248.14/207,961.92 - Step 6: Final answer
x = 87,269.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.