Finding the Fourth Proportional to 135,093.12, 202,639.83 and 35,253.23
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Solution
The fourth proportional to 135,093.12, 202,639.83 and 35,253.23 is: 52,879.88
Step by Step Solution
- Step 1: Write the proportion equation
135,093.12 : 202,639.83 = 35,253.23 : x - Step 2: Convert to fraction form
135,093.12/202,639.83 = 35,253.23/x - Step 3: Cross multiply
135,093.12x = 202,639.83 × 35,253.23 - Step 4: Simplify right side
135,093.12x = 7,143,707,388.75 - Step 5: Solve for x
x = 7,143,707,388.75/135,093.12 - Step 6: Final answer
x = 52,879.88
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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.