Finding the Fourth Proportional to 192,146.05, 288,229.56 and 79,837.62
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Solution
The fourth proportional to 192,146.05, 288,229.56 and 79,837.62 is: 119,760.80
Step by Step Solution
- Step 1: Write the proportion equation
192,146.05 : 288,229.56 = 79,837.62 : x - Step 2: Convert to fraction form
192,146.05/288,229.56 = 79,837.62/x - Step 3: Cross multiply
192,146.05x = 288,229.56 × 79,837.62 - Step 4: Simplify right side
192,146.05x = 23,011,563,809.36 - Step 5: Solve for x
x = 23,011,563,809.36/192,146.05 - Step 6: Final answer
x = 119,760.80
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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.