Finding the Fourth Proportional to 214,163.82, 295,660.67 and 136,717.36
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Solution
The fourth proportional to 214,163.82, 295,660.67 and 136,717.36 is: 188,743.11
Step by Step Solution
- Step 1: Write the proportion equation
214,163.82 : 295,660.67 = 136,717.36 : x - Step 2: Convert to fraction form
214,163.82/295,660.67 = 136,717.36/x - Step 3: Cross multiply
214,163.82x = 295,660.67 × 136,717.36 - Step 4: Simplify right side
214,163.82x = 40,421,944,835.49 - Step 5: Solve for x
x = 40,421,944,835.49/214,163.82 - Step 6: Final answer
x = 188,743.11
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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.