Finding the Fourth Proportional to 217,526.68, 326,226.90 and 91,163.62
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Solution
The fourth proportional to 217,526.68, 326,226.90 and 91,163.62 is: 136,718.97
Step by Step Solution
- Step 1: Write the proportion equation
217,526.68 : 326,226.90 = 91,163.62 : x - Step 2: Convert to fraction form
217,526.68/326,226.90 = 91,163.62/x - Step 3: Cross multiply
217,526.68x = 326,226.90 × 91,163.62 - Step 4: Simplify right side
217,526.68x = 29,740,023,514.24 - Step 5: Solve for x
x = 29,740,023,514.24/217,526.68 - Step 6: Final answer
x = 136,718.97
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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.