Finding the Fourth Proportional to 263,503.62, 394,336.08 and 215,564.58
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Solution
The fourth proportional to 263,503.62, 394,336.08 and 215,564.58 is: 322,594.78
Step by Step Solution
- Step 1: Write the proportion equation
263,503.62 : 394,336.08 = 215,564.58 : x - Step 2: Convert to fraction form
263,503.62/394,336.08 = 215,564.58/x - Step 3: Cross multiply
263,503.62x = 394,336.08 × 215,564.58 - Step 4: Simplify right side
263,503.62x = 85,004,891,464.05 - Step 5: Solve for x
x = 85,004,891,464.05/263,503.62 - Step 6: Final answer
x = 322,594.78
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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.