Finding the Fourth Proportional to 203,762.87, 305,246.69 and 133,428.95
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Solution
The fourth proportional to 203,762.87, 305,246.69 and 133,428.95 is: 199,883.05
Step by Step Solution
- Step 1: Write the proportion equation
203,762.87 : 305,246.69 = 133,428.95 : x - Step 2: Convert to fraction form
203,762.87/305,246.69 = 133,428.95/x - Step 3: Cross multiply
203,762.87x = 305,246.69 × 133,428.95 - Step 4: Simplify right side
203,762.87x = 40,728,743,144.30 - Step 5: Solve for x
x = 40,728,743,144.30/203,762.87 - Step 6: Final answer
x = 199,883.05
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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.