Finding the Fourth Proportional to 417,942.21, 576,755.19 and 226,956.96
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Solution
The fourth proportional to 417,942.21, 576,755.19 and 226,956.96 is: 313,197.86
Step by Step Solution
- Step 1: Write the proportion equation
417,942.21 : 576,755.19 = 226,956.96 : x - Step 2: Convert to fraction form
417,942.21/576,755.19 = 226,956.96/x - Step 3: Cross multiply
417,942.21x = 576,755.19 × 226,956.96 - Step 4: Simplify right side
417,942.21x = 130,898,604,586.62 - Step 5: Solve for x
x = 130,898,604,586.62/417,942.21 - Step 6: Final answer
x = 313,197.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.