Finding the Fourth Proportional to 286,696.26, 395,664.75 and 159,383.70
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Solution
The fourth proportional to 286,696.26, 395,664.75 and 159,383.70 is: 219,962.80
Step by Step Solution
- Step 1: Write the proportion equation
286,696.26 : 395,664.75 = 159,383.70 : x - Step 2: Convert to fraction form
286,696.26/395,664.75 = 159,383.70/x - Step 3: Cross multiply
286,696.26x = 395,664.75 × 159,383.70 - Step 4: Simplify right side
286,696.26x = 63,062,511,814.58 - Step 5: Solve for x
x = 63,062,511,814.58/286,696.26 - Step 6: Final answer
x = 219,962.80
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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.