Finding the Fourth Proportional to 201,673.44, 278,306.64 and 112,249.44
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Solution
The fourth proportional to 201,673.44, 278,306.64 and 112,249.44 is: 154,902.72
Step by Step Solution
- Step 1: Write the proportion equation
201,673.44 : 278,306.64 = 112,249.44 : x - Step 2: Convert to fraction form
201,673.44/278,306.64 = 112,249.44/x - Step 3: Cross multiply
201,673.44x = 278,306.64 × 112,249.44 - Step 4: Simplify right side
201,673.44x = 31,239,764,488.28 - Step 5: Solve for x
x = 31,239,764,488.28/201,673.44 - Step 6: Final answer
x = 154,902.72
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1.5x scale
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.