Finding the Fourth Proportional to 207,729.75, 311,469.93 and 95,269.08
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Solution
The fourth proportional to 207,729.75, 311,469.93 and 95,269.08 is: 142,846.43
Step by Step Solution
- Step 1: Write the proportion equation
207,729.75 : 311,469.93 = 95,269.08 : x - Step 2: Convert to fraction form
207,729.75/311,469.93 = 95,269.08/x - Step 3: Cross multiply
207,729.75x = 311,469.93 × 95,269.08 - Step 4: Simplify right side
207,729.75x = 29,673,453,678.76 - Step 5: Solve for x
x = 29,673,453,678.76/207,729.75 - Step 6: Final answer
x = 142,846.43
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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.