Finding the Fourth Proportional to 203,491.60, 305,232.60 and 55,747.60
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Solution
The fourth proportional to 203,491.60, 305,232.60 and 55,747.60 is: 83,620.09
Step by Step Solution
- Step 1: Write the proportion equation
203,491.60 : 305,232.60 = 55,747.60 : x - Step 2: Convert to fraction form
203,491.60/305,232.60 = 55,747.60/x - Step 3: Cross multiply
203,491.60x = 305,232.60 × 55,747.60 - Step 4: Simplify right side
203,491.60x = 17,015,984,891.76 - Step 5: Solve for x
x = 17,015,984,891.76/203,491.60 - Step 6: Final answer
x = 83,620.09
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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.