Finding the Fourth Proportional to 146,940.75, 202,778.37 and 79,872.75
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Solution
The fourth proportional to 146,940.75, 202,778.37 and 79,872.75 is: 110,224.47
Step by Step Solution
- Step 1: Write the proportion equation
146,940.75 : 202,778.37 = 79,872.75 : x - Step 2: Convert to fraction form
146,940.75/202,778.37 = 79,872.75/x - Step 3: Cross multiply
146,940.75x = 202,778.37 × 79,872.75 - Step 4: Simplify right side
146,940.75x = 16,196,466,052.42 - Step 5: Solve for x
x = 16,196,466,052.42/146,940.75 - Step 6: Final answer
x = 110,224.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.