Finding the Fourth Proportional to 338,923.97, 467,715.09 and 188,020.97
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Solution
The fourth proportional to 338,923.97, 467,715.09 and 188,020.97 is: 259,468.95
Step by Step Solution
- Step 1: Write the proportion equation
338,923.97 : 467,715.09 = 188,020.97 : x - Step 2: Convert to fraction form
338,923.97/467,715.09 = 188,020.97/x - Step 3: Cross multiply
338,923.97x = 467,715.09 × 188,020.97 - Step 4: Simplify right side
338,923.97x = 87,940,245,025.87 - Step 5: Solve for x
x = 87,940,245,025.87/338,923.97 - Step 6: Final answer
x = 259,468.95
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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.