Finding the Fourth Proportional to 198,249.69, 273,577.23 and 107,603.70
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Solution
The fourth proportional to 198,249.69, 273,577.23 and 107,603.70 is: 148,489.12
Step by Step Solution
- Step 1: Write the proportion equation
198,249.69 : 273,577.23 = 107,603.70 : x - Step 2: Convert to fraction form
198,249.69/273,577.23 = 107,603.70/x - Step 3: Cross multiply
198,249.69x = 273,577.23 × 107,603.70 - Step 4: Simplify right side
198,249.69x = 29,437,922,183.75 - Step 5: Solve for x
x = 29,437,922,183.75/198,249.69 - Step 6: Final answer
x = 148,489.12
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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.