Finding the Fourth Proportional to 212,832.66, 293,708.97 and 122,194.47
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Solution
The fourth proportional to 212,832.66, 293,708.97 and 122,194.47 is: 168,628.31
Step by Step Solution
- Step 1: Write the proportion equation
212,832.66 : 293,708.97 = 122,194.47 : x - Step 2: Convert to fraction form
212,832.66/293,708.97 = 122,194.47/x - Step 3: Cross multiply
212,832.66x = 293,708.97 × 122,194.47 - Step 4: Simplify right side
212,832.66x = 35,889,611,923.40 - Step 5: Solve for x
x = 35,889,611,923.40/212,832.66 - Step 6: Final answer
x = 168,628.31
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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.