Finding the Fourth Proportional to 203,906.55, 305,859.83 and 185,207.70
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Solution
The fourth proportional to 203,906.55, 305,859.83 and 185,207.70 is: 277,811.55
Step by Step Solution
- Step 1: Write the proportion equation
203,906.55 : 305,859.83 = 185,207.70 : x - Step 2: Convert to fraction form
203,906.55/305,859.83 = 185,207.70/x - Step 3: Cross multiply
203,906.55x = 305,859.83 × 185,207.70 - Step 4: Simplify right side
203,906.55x = 56,647,594,710.65 - Step 5: Solve for x
x = 56,647,594,710.65/203,906.55 - Step 6: Final answer
x = 277,811.55
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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.