Finding the Fourth Proportional to 76,198.75, 114,305.64 and 26,272.27
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Solution
The fourth proportional to 76,198.75, 114,305.64 and 26,272.27 is: 39,410.99
Step by Step Solution
- Step 1: Write the proportion equation
76,198.75 : 114,305.64 = 26,272.27 : x - Step 2: Convert to fraction form
76,198.75/114,305.64 = 26,272.27/x - Step 3: Cross multiply
76,198.75x = 114,305.64 × 26,272.27 - Step 4: Simplify right side
76,198.75x = 3,003,067,933.71 - Step 5: Solve for x
x = 3,003,067,933.71/76,198.75 - Step 6: Final answer
x = 39,410.99
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1.5x scale
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.