Finding the Fourth Proportional to 235,659.05, 325,213.37 and 128,229.62
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Solution
The fourth proportional to 235,659.05, 325,213.37 and 128,229.62 is: 176,958.99
Step by Step Solution
- Step 1: Write the proportion equation
235,659.05 : 325,213.37 = 128,229.62 : x - Step 2: Convert to fraction form
235,659.05/325,213.37 = 128,229.62/x - Step 3: Cross multiply
235,659.05x = 325,213.37 × 128,229.62 - Step 4: Simplify right side
235,659.05x = 41,701,986,212.87 - Step 5: Solve for x
x = 41,701,986,212.87/235,659.05 - Step 6: Final answer
x = 176,958.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.