Finding the Fourth Proportional to 286,093.18, 394,717.26 and 165,218.50
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Solution
The fourth proportional to 286,093.18, 394,717.26 and 165,218.50 is: 227,948.79
Step by Step Solution
- Step 1: Write the proportion equation
286,093.18 : 394,717.26 = 165,218.50 : x - Step 2: Convert to fraction form
286,093.18/394,717.26 = 165,218.50/x - Step 3: Cross multiply
286,093.18x = 394,717.26 × 165,218.50 - Step 4: Simplify right side
286,093.18x = 65,214,593,621.31 - Step 5: Solve for x
x = 65,214,593,621.31/286,093.18 - Step 6: Final answer
x = 227,948.79
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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.