Finding the Fourth Proportional to 190,735.44, 263,202.66 and 119,111.19
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Solution
The fourth proportional to 190,735.44, 263,202.66 and 119,111.19 is: 164,365.79
Step by Step Solution
- Step 1: Write the proportion equation
190,735.44 : 263,202.66 = 119,111.19 : x - Step 2: Convert to fraction form
190,735.44/263,202.66 = 119,111.19/x - Step 3: Cross multiply
190,735.44x = 263,202.66 × 119,111.19 - Step 4: Simplify right side
190,735.44x = 31,350,382,043.77 - Step 5: Solve for x
x = 31,350,382,043.77/190,735.44 - Step 6: Final answer
x = 164,365.79
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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.