Finding the Fourth Proportional to 206,714.88, 285,268.48 and 117,283.84
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Solution
The fourth proportional to 206,714.88, 285,268.48 and 117,283.84 is: 161,852.80
Step by Step Solution
- Step 1: Write the proportion equation
206,714.88 : 285,268.48 = 117,283.84 : x - Step 2: Convert to fraction form
206,714.88/285,268.48 = 117,283.84/x - Step 3: Cross multiply
206,714.88x = 285,268.48 × 117,283.84 - Step 4: Simplify right side
206,714.88x = 33,457,382,765.36 - Step 5: Solve for x
x = 33,457,382,765.36/206,714.88 - Step 6: Final answer
x = 161,852.80
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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.