Finding the Fourth Proportional to 128,465.93, 192,650.97 and 44,202.26
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Solution
The fourth proportional to 128,465.93, 192,650.97 and 44,202.26 is: 66,286.90
Step by Step Solution
- Step 1: Write the proportion equation
128,465.93 : 192,650.97 = 44,202.26 : x - Step 2: Convert to fraction form
128,465.93/192,650.97 = 44,202.26/x - Step 3: Cross multiply
128,465.93x = 192,650.97 × 44,202.26 - Step 4: Simplify right side
128,465.93x = 8,515,608,265.19 - Step 5: Solve for x
x = 8,515,608,265.19/128,465.93 - Step 6: Final answer
x = 66,286.90
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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.