Finding the Fourth Proportional to 73,394.51, 110,091.77 and 20,804.00
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Solution
The fourth proportional to 73,394.51, 110,091.77 and 20,804.00 is: 31,205.99
Step by Step Solution
- Step 1: Write the proportion equation
73,394.51 : 110,091.77 = 20,804.00 : x - Step 2: Convert to fraction form
73,394.51/110,091.77 = 20,804.00/x - Step 3: Cross multiply
73,394.51x = 110,091.77 × 20,804.00 - Step 4: Simplify right side
73,394.51x = 2,290,348,528.60 - Step 5: Solve for x
x = 2,290,348,528.60/73,394.51 - Step 6: Final answer
x = 31,205.99
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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.