Finding the Fourth Proportional to 212,645.63, 293,447.52 and 115,850.64
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Solution
The fourth proportional to 212,645.63, 293,447.52 and 115,850.64 is: 159,872.00
Step by Step Solution
- Step 1: Write the proportion equation
212,645.63 : 293,447.52 = 115,850.64 : x - Step 2: Convert to fraction form
212,645.63/293,447.52 = 115,850.64/x - Step 3: Cross multiply
212,645.63x = 293,447.52 × 115,850.64 - Step 4: Simplify right side
212,645.63x = 33,996,081,531.18 - Step 5: Solve for x
x = 33,996,081,531.18/212,645.63 - Step 6: Final answer
x = 159,872.00
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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.