Finding the Fourth Proportional to 198,249.81, 273,584.97 and 107,605.77
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Solution
The fourth proportional to 198,249.81, 273,584.97 and 107,605.77 is: 148,496.09
Step by Step Solution
- Step 1: Write the proportion equation
198,249.81 : 273,584.97 = 107,605.77 : x - Step 2: Convert to fraction form
198,249.81/273,584.97 = 107,605.77/x - Step 3: Cross multiply
198,249.81x = 273,584.97 × 107,605.77 - Step 4: Simplify right side
198,249.81x = 29,439,321,357.28 - Step 5: Solve for x
x = 29,439,321,357.28/198,249.81 - Step 6: Final answer
x = 148,496.09
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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.