Finding the Fourth Proportional to 171,224.74, 256,880.93 and 100,207.18
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Solution
The fourth proportional to 171,224.74, 256,880.93 and 100,207.18 is: 150,336.42
Step by Step Solution
- Step 1: Write the proportion equation
171,224.74 : 256,880.93 = 100,207.18 : x - Step 2: Convert to fraction form
171,224.74/256,880.93 = 100,207.18/x - Step 3: Cross multiply
171,224.74x = 256,880.93 × 100,207.18 - Step 4: Simplify right side
171,224.74x = 25,741,313,591.08 - Step 5: Solve for x
x = 25,741,313,591.08/171,224.74 - Step 6: Final answer
x = 150,336.42
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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.