Finding the Fourth Proportional to 135,198.86, 202,502.70 and 68,524.52
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Solution
The fourth proportional to 135,198.86, 202,502.70 and 68,524.52 is: 102,636.96
Step by Step Solution
- Step 1: Write the proportion equation
135,198.86 : 202,502.70 = 68,524.52 : x - Step 2: Convert to fraction form
135,198.86/202,502.70 = 68,524.52/x - Step 3: Cross multiply
135,198.86x = 202,502.70 × 68,524.52 - Step 4: Simplify right side
135,198.86x = 13,876,399,303.69 - Step 5: Solve for x
x = 13,876,399,303.69/135,198.86 - Step 6: Final answer
x = 102,636.96
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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.