Finding the Fourth Proportional to 256,147.53, 384,239.75 and 98,375.99
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Solution
The fourth proportional to 256,147.53, 384,239.75 and 98,375.99 is: 147,571.06
Step by Step Solution
- Step 1: Write the proportion equation
256,147.53 : 384,239.75 = 98,375.99 : x - Step 2: Convert to fraction form
256,147.53/384,239.75 = 98,375.99/x - Step 3: Cross multiply
256,147.53x = 384,239.75 × 98,375.99 - Step 4: Simplify right side
256,147.53x = 37,799,963,759.43 - Step 5: Solve for x
x = 37,799,963,759.43/256,147.53 - Step 6: Final answer
x = 147,571.06
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1.5x scale
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.