Finding the Fourth Proportional to 171,226.24, 256,883.18 and 100,208.68
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Solution
The fourth proportional to 171,226.24, 256,883.18 and 100,208.68 is: 150,338.67
Step by Step Solution
- Step 1: Write the proportion equation
171,226.24 : 256,883.18 = 100,208.68 : x - Step 2: Convert to fraction form
171,226.24/256,883.18 = 100,208.68/x - Step 3: Cross multiply
171,226.24x = 256,883.18 × 100,208.68 - Step 4: Simplify right side
171,226.24x = 25,741,924,382.00 - Step 5: Solve for x
x = 25,741,924,382.00/171,226.24 - Step 6: Final answer
x = 150,338.67
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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.