Finding the Fourth Proportional to 111,009.36, 166,470.21 and 44,437.08
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Solution
The fourth proportional to 111,009.36, 166,470.21 and 44,437.08 is: 66,638.07
Step by Step Solution
- Step 1: Write the proportion equation
111,009.36 : 166,470.21 = 44,437.08 : x - Step 2: Convert to fraction form
111,009.36/166,470.21 = 44,437.08/x - Step 3: Cross multiply
111,009.36x = 166,470.21 × 44,437.08 - Step 4: Simplify right side
111,009.36x = 7,397,450,039.39 - Step 5: Solve for x
x = 7,397,450,039.39/111,009.36 - Step 6: Final answer
x = 66,638.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.