Finding the Fourth Proportional to 226,874.57, 339,937.43 and 131,837.99
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Solution
The fourth proportional to 226,874.57, 339,937.43 and 131,837.99 is: 197,539.40
Step by Step Solution
- Step 1: Write the proportion equation
226,874.57 : 339,937.43 = 131,837.99 : x - Step 2: Convert to fraction form
226,874.57/339,937.43 = 131,837.99/x - Step 3: Cross multiply
226,874.57x = 339,937.43 × 131,837.99 - Step 4: Simplify right side
226,874.57x = 44,816,665,138.09 - Step 5: Solve for x
x = 44,816,665,138.09/226,874.57 - Step 6: Final answer
x = 197,539.40
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1.5x scale
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.