Finding the Fourth Proportional to 203,771.80, 305,260.07 and 133,437.88
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Solution
The fourth proportional to 203,771.80, 305,260.07 and 133,437.88 is: 199,896.43
Step by Step Solution
- Step 1: Write the proportion equation
203,771.80 : 305,260.07 = 133,437.88 : x - Step 2: Convert to fraction form
203,771.80/305,260.07 = 133,437.88/x - Step 3: Cross multiply
203,771.80x = 305,260.07 × 133,437.88 - Step 4: Simplify right side
203,771.80x = 40,733,255,063.15 - Step 5: Solve for x
x = 40,733,255,063.15/203,771.80 - Step 6: Final answer
x = 199,896.43
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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.