Finding the Fourth Proportional to 196,765.93, 271,535.71 and 111,882.99
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Solution
The fourth proportional to 196,765.93, 271,535.71 and 111,882.99 is: 154,397.80
Step by Step Solution
- Step 1: Write the proportion equation
196,765.93 : 271,535.71 = 111,882.99 : x - Step 2: Convert to fraction form
196,765.93/271,535.71 = 111,882.99/x - Step 3: Cross multiply
196,765.93x = 271,535.71 × 111,882.99 - Step 4: Simplify right side
196,765.93x = 30,380,227,126.57 - Step 5: Solve for x
x = 30,380,227,126.57/196,765.93 - Step 6: Final answer
x = 154,397.80
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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.