Finding the Fourth Proportional to 149,433.41, 206,218.26 and 81,450.44
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Solution
The fourth proportional to 149,433.41, 206,218.26 and 81,450.44 is: 112,401.69
Step by Step Solution
- Step 1: Write the proportion equation
149,433.41 : 206,218.26 = 81,450.44 : x - Step 2: Convert to fraction form
149,433.41/206,218.26 = 81,450.44/x - Step 3: Cross multiply
149,433.41x = 206,218.26 × 81,450.44 - Step 4: Simplify right side
149,433.41x = 16,796,568,013.03 - Step 5: Solve for x
x = 16,796,568,013.03/149,433.41 - Step 6: Final answer
x = 112,401.69
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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.