Finding the Fourth Proportional to 166,809.94, 250,213.99 and 40,450.09
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Solution
The fourth proportional to 166,809.94, 250,213.99 and 40,450.09 is: 60,674.91
Step by Step Solution
- Step 1: Write the proportion equation
166,809.94 : 250,213.99 = 40,450.09 : x - Step 2: Convert to fraction form
166,809.94/250,213.99 = 40,450.09/x - Step 3: Cross multiply
166,809.94x = 250,213.99 × 40,450.09 - Step 4: Simplify right side
166,809.94x = 10,121,178,414.76 - Step 5: Solve for x
x = 10,121,178,414.76/166,809.94 - Step 6: Final answer
x = 60,674.91
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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.