Finding the Fourth Proportional to 198,704.13, 297,983.29 and 65,544.99
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Solution
The fourth proportional to 198,704.13, 297,983.29 and 65,544.99 is: 98,293.44
Step by Step Solution
- Step 1: Write the proportion equation
198,704.13 : 297,983.29 = 65,544.99 : x - Step 2: Convert to fraction form
198,704.13/297,983.29 = 65,544.99/x - Step 3: Cross multiply
198,704.13x = 297,983.29 × 65,544.99 - Step 4: Simplify right side
198,704.13x = 19,531,311,763.22 - Step 5: Solve for x
x = 19,531,311,763.22/198,704.13 - Step 6: Final answer
x = 98,293.44
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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.