Finding the Fourth Proportional to 144,922.97, 199,993.51 and 80,401.99
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Solution
The fourth proportional to 144,922.97, 199,993.51 and 80,401.99 is: 110,954.64
Step by Step Solution
- Step 1: Write the proportion equation
144,922.97 : 199,993.51 = 80,401.99 : x - Step 2: Convert to fraction form
144,922.97/199,993.51 = 80,401.99/x - Step 3: Cross multiply
144,922.97x = 199,993.51 × 80,401.99 - Step 4: Simplify right side
144,922.97x = 16,079,876,392.09 - Step 5: Solve for x
x = 16,079,876,392.09/144,922.97 - Step 6: Final answer
x = 110,954.64
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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.