Finding the Fourth Proportional to 170,596.01, 256,115.75 and 131,180.79
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Solution
The fourth proportional to 170,596.01, 256,115.75 and 131,180.79 is: 196,941.69
Step by Step Solution
- Step 1: Write the proportion equation
170,596.01 : 256,115.75 = 131,180.79 : x - Step 2: Convert to fraction form
170,596.01/256,115.75 = 131,180.79/x - Step 3: Cross multiply
170,596.01x = 256,115.75 × 131,180.79 - Step 4: Simplify right side
170,596.01x = 33,597,465,760.54 - Step 5: Solve for x
x = 33,597,465,760.54/170,596.01 - Step 6: Final answer
x = 196,941.69
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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.