Finding the Fourth Proportional to 190,735.44, 263,187.99 and 114,236.61
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Solution
The fourth proportional to 190,735.44, 263,187.99 and 114,236.61 is: 157,630.40
Step by Step Solution
- Step 1: Write the proportion equation
190,735.44 : 263,187.99 = 114,236.61 : x - Step 2: Convert to fraction form
190,735.44/263,187.99 = 114,236.61/x - Step 3: Cross multiply
190,735.44x = 263,187.99 × 114,236.61 - Step 4: Simplify right side
190,735.44x = 30,065,703,770.31 - Step 5: Solve for x
x = 30,065,703,770.31/190,735.44 - Step 6: Final answer
x = 157,630.40
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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.