Finding the Fourth Proportional to 212,833.16, 293,709.66 and 122,194.97
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Solution
The fourth proportional to 212,833.16, 293,709.66 and 122,194.97 is: 168,629.00
Step by Step Solution
- Step 1: Write the proportion equation
212,833.16 : 293,709.66 = 122,194.97 : x - Step 2: Convert to fraction form
212,833.16/293,709.66 = 122,194.97/x - Step 3: Cross multiply
212,833.16x = 293,709.66 × 122,194.97 - Step 4: Simplify right side
212,833.16x = 35,889,843,092.41 - Step 5: Solve for x
x = 35,889,843,092.41/212,833.16 - Step 6: Final answer
x = 168,629.00
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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.