Finding the Fourth Proportional to 212,086.07, 292,684.37 and 115,296.44
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Solution
The fourth proportional to 212,086.07, 292,684.37 and 115,296.44 is: 159,112.12
Step by Step Solution
- Step 1: Write the proportion equation
212,086.07 : 292,684.37 = 115,296.44 : x - Step 2: Convert to fraction form
212,086.07/292,684.37 = 115,296.44/x - Step 3: Cross multiply
212,086.07x = 292,684.37 × 115,296.44 - Step 4: Simplify right side
212,086.07x = 33,745,463,864.74 - Step 5: Solve for x
x = 33,745,463,864.74/212,086.07 - Step 6: Final answer
x = 159,112.12
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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.