Finding the Fourth Proportional to 203,791.05, 305,686.35 and 133,653.96
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Solution
The fourth proportional to 203,791.05, 305,686.35 and 133,653.96 is: 200,480.79
Step by Step Solution
- Step 1: Write the proportion equation
203,791.05 : 305,686.35 = 133,653.96 : x - Step 2: Convert to fraction form
203,791.05/305,686.35 = 133,653.96/x - Step 3: Cross multiply
203,791.05x = 305,686.35 × 133,653.96 - Step 4: Simplify right side
203,791.05x = 40,856,191,195.45 - Step 5: Solve for x
x = 40,856,191,195.45/203,791.05 - Step 6: Final answer
x = 200,480.79
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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.