Finding the Fourth Proportional to 200,402.92, 276,605.94 and 115,571.08
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Solution
The fourth proportional to 200,402.92, 276,605.94 and 115,571.08 is: 159,516.87
Step by Step Solution
- Step 1: Write the proportion equation
200,402.92 : 276,605.94 = 115,571.08 : x - Step 2: Convert to fraction form
200,402.92/276,605.94 = 115,571.08/x - Step 3: Cross multiply
200,402.92x = 276,605.94 × 115,571.08 - Step 4: Simplify right side
200,402.92x = 31,967,647,220.22 - Step 5: Solve for x
x = 31,967,647,220.22/200,402.92 - Step 6: Final answer
x = 159,516.87
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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.