Finding the Fourth Proportional to 129,246.60, 193,790.52 and 50,268.80
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Solution
The fourth proportional to 129,246.60, 193,790.52 and 50,268.80 is: 75,372.33
Step by Step Solution
- Step 1: Write the proportion equation
129,246.60 : 193,790.52 = 50,268.80 : x - Step 2: Convert to fraction form
129,246.60/193,790.52 = 50,268.80/x - Step 3: Cross multiply
129,246.60x = 193,790.52 × 50,268.80 - Step 4: Simplify right side
129,246.60x = 9,741,616,891.78 - Step 5: Solve for x
x = 9,741,616,891.78/129,246.60 - Step 6: Final answer
x = 75,372.33
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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.