Finding the Fourth Proportional to 203,852.80, 305,778.88 and 133,715.68
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Solution
The fourth proportional to 203,852.80, 305,778.88 and 133,715.68 is: 200,573.31
Step by Step Solution
- Step 1: Write the proportion equation
203,852.80 : 305,778.88 = 133,715.68 : x - Step 2: Convert to fraction form
203,852.80/305,778.88 = 133,715.68/x - Step 3: Cross multiply
203,852.80x = 305,778.88 × 133,715.68 - Step 4: Simplify right side
203,852.80x = 40,887,430,868.84 - Step 5: Solve for x
x = 40,887,430,868.84/203,852.80 - Step 6: Final answer
x = 200,573.31
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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.