Finding the Fourth Proportional to 263,735.29, 363,954.26 and 142,879.65
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Solution
The fourth proportional to 263,735.29, 363,954.26 and 142,879.65 is: 197,173.67
Step by Step Solution
- Step 1: Write the proportion equation
263,735.29 : 363,954.26 = 142,879.65 : x - Step 2: Convert to fraction form
263,735.29/363,954.26 = 142,879.65/x - Step 3: Cross multiply
263,735.29x = 363,954.26 × 142,879.65 - Step 4: Simplify right side
263,735.29x = 52,001,656,277.18 - Step 5: Solve for x
x = 52,001,656,277.18/263,735.29 - Step 6: Final answer
x = 197,173.67
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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.