Finding the Fourth Proportional to 208,960.36, 313,564.98 and 75,850.96
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Solution
The fourth proportional to 208,960.36, 313,564.98 and 75,850.96 is: 113,821.61
Step by Step Solution
- Step 1: Write the proportion equation
208,960.36 : 313,564.98 = 75,850.96 : x - Step 2: Convert to fraction form
208,960.36/313,564.98 = 75,850.96/x - Step 3: Cross multiply
208,960.36x = 313,564.98 × 75,850.96 - Step 4: Simplify right side
208,960.36x = 23,784,204,755.38 - Step 5: Solve for x
x = 23,784,204,755.38/208,960.36 - Step 6: Final answer
x = 113,821.61
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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.