Finding the Fourth Proportional to 203,775.55, 305,265.70 and 133,441.63
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Solution
The fourth proportional to 203,775.55, 305,265.70 and 133,441.63 is: 199,902.06
Step by Step Solution
- Step 1: Write the proportion equation
203,775.55 : 305,265.70 = 133,441.63 : x - Step 2: Convert to fraction form
203,775.55/305,265.70 = 133,441.63/x - Step 3: Cross multiply
203,775.55x = 305,265.70 × 133,441.63 - Step 4: Simplify right side
203,775.55x = 40,735,152,591.09 - Step 5: Solve for x
x = 40,735,152,591.09/203,775.55 - Step 6: Final answer
x = 199,902.06
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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.