Finding the Fourth Proportional to 181,243.44, 250,107.84 and 100,676.52
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Solution
The fourth proportional to 181,243.44, 250,107.84 and 100,676.52 is: 138,929.09
Step by Step Solution
- Step 1: Write the proportion equation
181,243.44 : 250,107.84 = 100,676.52 : x - Step 2: Convert to fraction form
181,243.44/250,107.84 = 100,676.52/x - Step 3: Cross multiply
181,243.44x = 250,107.84 × 100,676.52 - Step 4: Simplify right side
181,243.44x = 25,179,986,955.92 - Step 5: Solve for x
x = 25,179,986,955.92/181,243.44 - Step 6: Final answer
x = 138,929.09
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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.