Finding the Fourth Proportional to 336,771.18, 505,244.34 and 168,284.70
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Solution
The fourth proportional to 336,771.18, 505,244.34 and 168,284.70 is: 252,470.81
Step by Step Solution
- Step 1: Write the proportion equation
336,771.18 : 505,244.34 = 168,284.70 : x - Step 2: Convert to fraction form
336,771.18/505,244.34 = 168,284.70/x - Step 3: Cross multiply
336,771.18x = 505,244.34 × 168,284.70 - Step 4: Simplify right side
336,771.18x = 85,024,892,183.60 - Step 5: Solve for x
x = 85,024,892,183.60/336,771.18 - Step 6: Final answer
x = 252,470.81
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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.