Finding the Fourth Proportional to 212,344.52, 293,027.19 and 121,635.97
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Solution
The fourth proportional to 212,344.52, 293,027.19 and 121,635.97 is: 167,852.90
Step by Step Solution
- Step 1: Write the proportion equation
212,344.52 : 293,027.19 = 121,635.97 : x - Step 2: Convert to fraction form
212,344.52/293,027.19 = 121,635.97/x - Step 3: Cross multiply
212,344.52x = 293,027.19 × 121,635.97 - Step 4: Simplify right side
212,344.52x = 35,642,645,147.83 - Step 5: Solve for x
x = 35,642,645,147.83/212,344.52 - Step 6: Final answer
x = 167,852.90
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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.