Finding the Fourth Proportional to 203,896.70, 305,845.05 and 133,037.90
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Solution
The fourth proportional to 203,896.70, 305,845.05 and 133,037.90 is: 199,556.85
Step by Step Solution
- Step 1: Write the proportion equation
203,896.70 : 305,845.05 = 133,037.90 : x - Step 2: Convert to fraction form
203,896.70/305,845.05 = 133,037.90/x - Step 3: Cross multiply
203,896.70x = 305,845.05 × 133,037.90 - Step 4: Simplify right side
203,896.70x = 40,688,983,177.40 - Step 5: Solve for x
x = 40,688,983,177.40/203,896.70 - Step 6: Final answer
x = 199,556.85
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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.