Finding the Fourth Proportional to 127,261.28, 190,891.68 and 33,759.68
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Solution
The fourth proportional to 127,261.28, 190,891.68 and 33,759.68 is: 50,639.46
Step by Step Solution
- Step 1: Write the proportion equation
127,261.28 : 190,891.68 = 33,759.68 : x - Step 2: Convert to fraction form
127,261.28/190,891.68 = 33,759.68/x - Step 3: Cross multiply
127,261.28x = 190,891.68 × 33,759.68 - Step 4: Simplify right side
127,261.28x = 6,444,442,031.46 - Step 5: Solve for x
x = 6,444,442,031.46/127,261.28 - Step 6: Final answer
x = 50,639.46
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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.