Finding the Fourth Proportional to 201,843.44, 278,565.84 and 111,208.70
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Solution
The fourth proportional to 201,843.44, 278,565.84 and 111,208.70 is: 153,480.07
Step by Step Solution
- Step 1: Write the proportion equation
201,843.44 : 278,565.84 = 111,208.70 : x - Step 2: Convert to fraction form
201,843.44/278,565.84 = 111,208.70/x - Step 3: Cross multiply
201,843.44x = 278,565.84 × 111,208.70 - Step 4: Simplify right side
201,843.44x = 30,978,944,930.81 - Step 5: Solve for x
x = 30,978,944,930.81/201,843.44 - Step 6: Final answer
x = 153,480.07
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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.