Finding the Fourth Proportional to 198,497.44, 297,578.76 and 86,092.99
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Solution
The fourth proportional to 198,497.44, 297,578.76 and 86,092.99 is: 129,066.88
Step by Step Solution
- Step 1: Write the proportion equation
198,497.44 : 297,578.76 = 86,092.99 : x - Step 2: Convert to fraction form
198,497.44/297,578.76 = 86,092.99/x - Step 3: Cross multiply
198,497.44x = 297,578.76 × 86,092.99 - Step 4: Simplify right side
198,497.44x = 25,619,444,778.43 - Step 5: Solve for x
x = 25,619,444,778.43/198,497.44 - Step 6: Final answer
x = 129,066.88
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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.