Finding the Fourth Proportional to 84,191.05, 116,198.46 and 50,201.62
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Solution
The fourth proportional to 84,191.05, 116,198.46 and 50,201.62 is: 69,287.07
Step by Step Solution
- Step 1: Write the proportion equation
84,191.05 : 116,198.46 = 50,201.62 : x - Step 2: Convert to fraction form
84,191.05/116,198.46 = 50,201.62/x - Step 3: Cross multiply
84,191.05x = 116,198.46 × 50,201.62 - Step 4: Simplify right side
84,191.05x = 5,833,350,933.51 - Step 5: Solve for x
x = 5,833,350,933.51/84,191.05 - Step 6: Final answer
x = 69,287.07
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1.5x scale
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.