Finding the Fourth Proportional to 196,785.05, 271,561.11 and 110,743.70
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Solution
The fourth proportional to 196,785.05, 271,561.11 and 110,743.70 is: 152,825.03
Step by Step Solution
- Step 1: Write the proportion equation
196,785.05 : 271,561.11 = 110,743.70 : x - Step 2: Convert to fraction form
196,785.05/271,561.11 = 110,743.70/x - Step 3: Cross multiply
196,785.05x = 271,561.11 × 110,743.70 - Step 4: Simplify right side
196,785.05x = 30,073,682,097.51 - Step 5: Solve for x
x = 30,073,682,097.51/196,785.05 - Step 6: Final answer
x = 152,825.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.