Finding the Fourth Proportional to 338,719.26, 467,471.07 and 195,517.74
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Solution
The fourth proportional to 338,719.26, 467,471.07 and 195,517.74 is: 269,836.70
Step by Step Solution
- Step 1: Write the proportion equation
338,719.26 : 467,471.07 = 195,517.74 : x - Step 2: Convert to fraction form
338,719.26/467,471.07 = 195,517.74/x - Step 3: Cross multiply
338,719.26x = 467,471.07 × 195,517.74 - Step 4: Simplify right side
338,719.26x = 91,398,887,121.78 - Step 5: Solve for x
x = 91,398,887,121.78/338,719.26 - Step 6: Final answer
x = 269,836.70
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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.