Finding the Fourth Proportional to 154,972.26, 232,239.69 and 66,194.64
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Solution
The fourth proportional to 154,972.26, 232,239.69 and 66,194.64 is: 99,198.54
Step by Step Solution
- Step 1: Write the proportion equation
154,972.26 : 232,239.69 = 66,194.64 : x - Step 2: Convert to fraction form
154,972.26/232,239.69 = 66,194.64/x - Step 3: Cross multiply
154,972.26x = 232,239.69 × 66,194.64 - Step 4: Simplify right side
154,972.26x = 15,373,022,673.26 - Step 5: Solve for x
x = 15,373,022,673.26/154,972.26 - Step 6: Final answer
x = 99,198.54
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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.