Finding the Fourth Proportional to 286,568.62, 395,446.56 and 159,236.62
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Solution
The fourth proportional to 286,568.62, 395,446.56 and 159,236.62 is: 219,736.46
Step by Step Solution
- Step 1: Write the proportion equation
286,568.62 : 395,446.56 = 159,236.62 : x - Step 2: Convert to fraction form
286,568.62/395,446.56 = 159,236.62/x - Step 3: Cross multiply
286,568.62x = 395,446.56 × 159,236.62 - Step 4: Simplify right side
286,568.62x = 62,969,573,605.03 - Step 5: Solve for x
x = 62,969,573,605.03/286,568.62 - Step 6: Final answer
x = 219,736.46
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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.