Finding the Fourth Proportional to 226,138.02, 338,763.66 and 131,168.70
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Solution
The fourth proportional to 226,138.02, 338,763.66 and 131,168.70 is: 196,495.88
Step by Step Solution
- Step 1: Write the proportion equation
226,138.02 : 338,763.66 = 131,168.70 : x - Step 2: Convert to fraction form
226,138.02/338,763.66 = 131,168.70/x - Step 3: Cross multiply
226,138.02x = 338,763.66 × 131,168.70 - Step 4: Simplify right side
226,138.02x = 44,435,188,889.44 - Step 5: Solve for x
x = 44,435,188,889.44/226,138.02 - Step 6: Final answer
x = 196,495.88
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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.