Finding the Fourth Proportional to 212,906.01, 293,800.41 and 122,198.14
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Solution
The fourth proportional to 212,906.01, 293,800.41 and 122,198.14 is: 168,627.75
Step by Step Solution
- Step 1: Write the proportion equation
212,906.01 : 293,800.41 = 122,198.14 : x - Step 2: Convert to fraction form
212,906.01/293,800.41 = 122,198.14/x - Step 3: Cross multiply
212,906.01x = 293,800.41 × 122,198.14 - Step 4: Simplify right side
212,906.01x = 35,901,862,164.24 - Step 5: Solve for x
x = 35,901,862,164.24/212,906.01 - Step 6: Final answer
x = 168,627.75
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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.