Finding the Fourth Proportional to 338,939.51, 467,751.17 and 202,995.59
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Solution
The fourth proportional to 338,939.51, 467,751.17 and 202,995.59 is: 280,142.68
Step by Step Solution
- Step 1: Write the proportion equation
338,939.51 : 467,751.17 = 202,995.59 : x - Step 2: Convert to fraction form
338,939.51/467,751.17 = 202,995.59/x - Step 3: Cross multiply
338,939.51x = 467,751.17 × 202,995.59 - Step 4: Simplify right side
338,939.51x = 94,951,422,896.07 - Step 5: Solve for x
x = 94,951,422,896.07/338,939.51 - Step 6: Final answer
x = 280,142.68
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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.