Finding the Fourth Proportional to 99,664.18, 149,465.49 and 33,091.09
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Solution
The fourth proportional to 99,664.18, 149,465.49 and 33,091.09 is: 49,626.42
Step by Step Solution
- Step 1: Write the proportion equation
99,664.18 : 149,465.49 = 33,091.09 : x - Step 2: Convert to fraction form
99,664.18/149,465.49 = 33,091.09/x - Step 3: Cross multiply
99,664.18x = 149,465.49 × 33,091.09 - Step 4: Simplify right side
99,664.18x = 4,945,975,981.48 - Step 5: Solve for x
x = 4,945,975,981.48/99,664.18 - Step 6: Final answer
x = 49,626.42
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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.