Finding the Fourth Proportional to 138,450.97, 207,676.43 and 33,269.94
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Solution
The fourth proportional to 138,450.97, 207,676.43 and 33,269.94 is: 49,904.90
Step by Step Solution
- Step 1: Write the proportion equation
138,450.97 : 207,676.43 = 33,269.94 : x - Step 2: Convert to fraction form
138,450.97/207,676.43 = 33,269.94/x - Step 3: Cross multiply
138,450.97x = 207,676.43 × 33,269.94 - Step 4: Simplify right side
138,450.97x = 6,909,382,511.07 - Step 5: Solve for x
x = 6,909,382,511.07/138,450.97 - Step 6: Final answer
x = 49,904.90
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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.