Finding the Fourth Proportional to 151,805.80, 227,708.70 and 147,431.80
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Solution
The fourth proportional to 151,805.80, 227,708.70 and 147,431.80 is: 221,147.70
Step by Step Solution
- Step 1: Write the proportion equation
151,805.80 : 227,708.70 = 147,431.80 : x - Step 2: Convert to fraction form
151,805.80/227,708.70 = 147,431.80/x - Step 3: Cross multiply
151,805.80x = 227,708.70 × 147,431.80 - Step 4: Simplify right side
151,805.80x = 33,571,503,516.66 - Step 5: Solve for x
x = 33,571,503,516.66/151,805.80 - Step 6: Final answer
x = 221,147.70
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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.