Finding the Fourth Proportional to 198,141.97, 297,235.51 and 71,841.70
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Solution
The fourth proportional to 198,141.97, 297,235.51 and 71,841.70 is: 107,770.72
Step by Step Solution
- Step 1: Write the proportion equation
198,141.97 : 297,235.51 = 71,841.70 : x - Step 2: Convert to fraction form
198,141.97/297,235.51 = 71,841.70/x - Step 3: Cross multiply
198,141.97x = 297,235.51 × 71,841.70 - Step 4: Simplify right side
198,141.97x = 21,353,903,579.83 - Step 5: Solve for x
x = 21,353,903,579.83/198,141.97 - Step 6: Final answer
x = 107,770.72
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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.