Finding the Fourth Proportional to 79,832.88, 119,716.38 and 27,246.60
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Solution
The fourth proportional to 79,832.88, 119,716.38 and 27,246.60 is: 40,858.66
Step by Step Solution
- Step 1: Write the proportion equation
79,832.88 : 119,716.38 = 27,246.60 : x - Step 2: Convert to fraction form
79,832.88/119,716.38 = 27,246.60/x - Step 3: Cross multiply
79,832.88x = 119,716.38 × 27,246.60 - Step 4: Simplify right side
79,832.88x = 3,261,864,319.31 - Step 5: Solve for x
x = 3,261,864,319.31/79,832.88 - Step 6: Final answer
x = 40,858.66
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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.