Finding the Fourth Proportional to 190,825.68, 286,290.36 and 135,771.60
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Solution
The fourth proportional to 190,825.68, 286,290.36 and 135,771.60 is: 203,694.28
Step by Step Solution
- Step 1: Write the proportion equation
190,825.68 : 286,290.36 = 135,771.60 : x - Step 2: Convert to fraction form
190,825.68/286,290.36 = 135,771.60/x - Step 3: Cross multiply
190,825.68x = 286,290.36 × 135,771.60 - Step 4: Simplify right side
190,825.68x = 38,870,100,241.78 - Step 5: Solve for x
x = 38,870,100,241.78/190,825.68 - Step 6: Final answer
x = 203,694.28
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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.