Finding the Fourth Proportional to 226,701.99, 339,586.29 and 132,981.75
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Solution
The fourth proportional to 226,701.99, 339,586.29 and 132,981.75 is: 199,198.87
Step by Step Solution
- Step 1: Write the proportion equation
226,701.99 : 339,586.29 = 132,981.75 : x - Step 2: Convert to fraction form
226,701.99/339,586.29 = 132,981.75/x - Step 3: Cross multiply
226,701.99x = 339,586.29 × 132,981.75 - Step 4: Simplify right side
226,701.99x = 45,158,779,120.21 - Step 5: Solve for x
x = 45,158,779,120.21/226,701.99 - Step 6: Final answer
x = 199,198.87
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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.