Finding the Fourth Proportional to 128,427.35, 192,593.13 and 44,163.65
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Solution
The fourth proportional to 128,427.35, 192,593.13 and 44,163.65 is: 66,229.01
Step by Step Solution
- Step 1: Write the proportion equation
128,427.35 : 192,593.13 = 44,163.65 : x - Step 2: Convert to fraction form
128,427.35/192,593.13 = 44,163.65/x - Step 3: Cross multiply
128,427.35x = 192,593.13 × 44,163.65 - Step 4: Simplify right side
128,427.35x = 8,505,615,901.59 - Step 5: Solve for x
x = 8,505,615,901.59/128,427.35 - Step 6: Final answer
x = 66,229.01
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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.