Finding the Fourth Proportional to 192,850.74, 289,167.78 and 132,129.54
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Solution
The fourth proportional to 192,850.74, 289,167.78 and 132,129.54 is: 198,120.09
Step by Step Solution
- Step 1: Write the proportion equation
192,850.74 : 289,167.78 = 132,129.54 : x - Step 2: Convert to fraction form
192,850.74/289,167.78 = 132,129.54/x - Step 3: Cross multiply
192,850.74x = 289,167.78 × 132,129.54 - Step 4: Simplify right side
192,850.74x = 38,207,605,754.22 - Step 5: Solve for x
x = 38,207,605,754.22/192,850.74 - Step 6: Final answer
x = 198,120.09
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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.