Finding the Fourth Proportional to 135,352.25, 202,601.91 and 121,087.55
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Solution
The fourth proportional to 135,352.25, 202,601.91 and 121,087.55 is: 181,249.80
Step by Step Solution
- Step 1: Write the proportion equation
135,352.25 : 202,601.91 = 121,087.55 : x - Step 2: Convert to fraction form
135,352.25/202,601.91 = 121,087.55/x - Step 3: Cross multiply
135,352.25x = 202,601.91 × 121,087.55 - Step 4: Simplify right side
135,352.25x = 24,532,568,907.22 - Step 5: Solve for x
x = 24,532,568,907.22/135,352.25 - Step 6: Final answer
x = 181,249.80
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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.