Finding the Fourth Proportional to 196,950.88, 271,815.06 and 110,910.70
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Solution
The fourth proportional to 196,950.88, 271,815.06 and 110,910.70 is: 153,069.63
Step by Step Solution
- Step 1: Write the proportion equation
196,950.88 : 271,815.06 = 110,910.70 : x - Step 2: Convert to fraction form
196,950.88/271,815.06 = 110,910.70/x - Step 3: Cross multiply
196,950.88x = 271,815.06 × 110,910.70 - Step 4: Simplify right side
196,950.88x = 30,147,198,575.14 - Step 5: Solve for x
x = 30,147,198,575.14/196,950.88 - Step 6: Final answer
x = 153,069.63
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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.