Finding the Fourth Proportional to 268,195.14, 402,286.44 and 135,039.63
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Solution
The fourth proportional to 268,195.14, 402,286.44 and 135,039.63 is: 202,556.29
Step by Step Solution
- Step 1: Write the proportion equation
268,195.14 : 402,286.44 = 135,039.63 : x - Step 2: Convert to fraction form
268,195.14/402,286.44 = 135,039.63/x - Step 3: Cross multiply
268,195.14x = 402,286.44 × 135,039.63 - Step 4: Simplify right side
268,195.14x = 54,324,612,011.62 - Step 5: Solve for x
x = 54,324,612,011.62/268,195.14 - Step 6: Final answer
x = 202,556.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.