Finding the Fourth Proportional to 201,625.83, 278,241.42 and 110,979.84
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Solution
The fourth proportional to 201,625.83, 278,241.42 and 110,979.84 is: 153,150.95
Step by Step Solution
- Step 1: Write the proportion equation
201,625.83 : 278,241.42 = 110,979.84 : x - Step 2: Convert to fraction form
201,625.83/278,241.42 = 110,979.84/x - Step 3: Cross multiply
201,625.83x = 278,241.42 × 110,979.84 - Step 4: Simplify right side
201,625.83x = 30,879,188,272.97 - Step 5: Solve for x
x = 30,879,188,272.97/201,625.83 - Step 6: Final answer
x = 153,150.95
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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.