Finding the Fourth Proportional to 198,425.68, 273,771.84 and 188,452.96
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Solution
The fourth proportional to 198,425.68, 273,771.84 and 188,452.96 is: 260,012.28
Step by Step Solution
- Step 1: Write the proportion equation
198,425.68 : 273,771.84 = 188,452.96 : x - Step 2: Convert to fraction form
198,425.68/273,771.84 = 188,452.96/x - Step 3: Cross multiply
198,425.68x = 273,771.84 × 188,452.96 - Step 4: Simplify right side
198,425.68x = 51,593,113,612.65 - Step 5: Solve for x
x = 51,593,113,612.65/198,425.68 - Step 6: Final answer
x = 260,012.28
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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.