Finding the Fourth Proportional to 321,091.16, 481,659.84 and 110,726.08
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Solution
The fourth proportional to 321,091.16, 481,659.84 and 110,726.08 is: 166,097.09
Step by Step Solution
- Step 1: Write the proportion equation
321,091.16 : 481,659.84 = 110,726.08 : x - Step 2: Convert to fraction form
321,091.16/481,659.84 = 110,726.08/x - Step 3: Cross multiply
321,091.16x = 481,659.84 × 110,726.08 - Step 4: Simplify right side
321,091.16x = 53,332,305,976.63 - Step 5: Solve for x
x = 53,332,305,976.63/321,091.16 - Step 6: Final answer
x = 166,097.09
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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.