Finding the Fourth Proportional to 212,882.24, 293,797.20 and 122,250.08
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Solution
The fourth proportional to 212,882.24, 293,797.20 and 122,250.08 is: 168,716.43
Step by Step Solution
- Step 1: Write the proportion equation
212,882.24 : 293,797.20 = 122,250.08 : x - Step 2: Convert to fraction form
212,882.24/293,797.20 = 122,250.08/x - Step 3: Cross multiply
212,882.24x = 293,797.20 × 122,250.08 - Step 4: Simplify right side
212,882.24x = 35,916,731,203.78 - Step 5: Solve for x
x = 35,916,731,203.78/212,882.24 - Step 6: Final answer
x = 168,716.43
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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.