Finding the Fourth Proportional to 214,162.40, 321,062.88 and 135,102.44
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Solution
The fourth proportional to 214,162.40, 321,062.88 and 135,102.44 is: 202,539.65
Step by Step Solution
- Step 1: Write the proportion equation
214,162.40 : 321,062.88 = 135,102.44 : x - Step 2: Convert to fraction form
214,162.40/321,062.88 = 135,102.44/x - Step 3: Cross multiply
214,162.40x = 321,062.88 × 135,102.44 - Step 4: Simplify right side
214,162.40x = 43,376,378,481.43 - Step 5: Solve for x
x = 43,376,378,481.43/214,162.40 - Step 6: Final answer
x = 202,539.65
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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.