Finding the Fourth Proportional to 198,098.62, 297,191.68 and 73,439.62
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Solution
The fourth proportional to 198,098.62, 297,191.68 and 73,439.62 is: 110,175.65
Step by Step Solution
- Step 1: Write the proportion equation
198,098.62 : 297,191.68 = 73,439.62 : x - Step 2: Convert to fraction form
198,098.62/297,191.68 = 73,439.62/x - Step 3: Cross multiply
198,098.62x = 297,191.68 × 73,439.62 - Step 4: Simplify right side
198,098.62x = 21,825,644,046.36 - Step 5: Solve for x
x = 21,825,644,046.36/198,098.62 - Step 6: Final answer
x = 110,175.65
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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.