Finding the Fourth Proportional to 263,409.68, 363,505.34 and 142,550.98
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Solution
The fourth proportional to 263,409.68, 363,505.34 and 142,550.98 is: 196,720.34
Step by Step Solution
- Step 1: Write the proportion equation
263,409.68 : 363,505.34 = 142,550.98 : x - Step 2: Convert to fraction form
263,409.68/363,505.34 = 142,550.98/x - Step 3: Cross multiply
263,409.68x = 363,505.34 × 142,550.98 - Step 4: Simplify right side
263,409.68x = 51,818,042,452.23 - Step 5: Solve for x
x = 51,818,042,452.23/263,409.68 - Step 6: Final answer
x = 196,720.34
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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.