Finding the Fourth Proportional to 203,818.68, 305,922.42 and 125,086.68
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Solution
The fourth proportional to 203,818.68, 305,922.42 and 125,086.68 is: 187,749.33
Step by Step Solution
- Step 1: Write the proportion equation
203,818.68 : 305,922.42 = 125,086.68 : x - Step 2: Convert to fraction form
203,818.68/305,922.42 = 125,086.68/x - Step 3: Cross multiply
203,818.68x = 305,922.42 × 125,086.68 - Step 4: Simplify right side
203,818.68x = 38,266,819,855.37 - Step 5: Solve for x
x = 38,266,819,855.37/203,818.68 - Step 6: Final answer
x = 187,749.33
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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.