Finding the Fourth Proportional to 235,577.76, 325,087.92 and 128,147.92
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Solution
The fourth proportional to 235,577.76, 325,087.92 and 128,147.92 is: 176,839.02
Step by Step Solution
- Step 1: Write the proportion equation
235,577.76 : 325,087.92 = 128,147.92 : x - Step 2: Convert to fraction form
235,577.76/325,087.92 = 128,147.92/x - Step 3: Cross multiply
235,577.76x = 325,087.92 × 128,147.92 - Step 4: Simplify right side
235,577.76x = 41,659,340,765.13 - Step 5: Solve for x
x = 41,659,340,765.13/235,577.76 - Step 6: Final answer
x = 176,839.02
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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.