Finding the Fourth Proportional to 339,162.63, 468,021.01 and 188,247.75
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Solution
The fourth proportional to 339,162.63, 468,021.01 and 188,247.75 is: 259,768.90
Step by Step Solution
- Step 1: Write the proportion equation
339,162.63 : 468,021.01 = 188,247.75 : x - Step 2: Convert to fraction form
339,162.63/468,021.01 = 188,247.75/x - Step 3: Cross multiply
339,162.63x = 468,021.01 × 188,247.75 - Step 4: Simplify right side
339,162.63x = 88,103,902,085.23 - Step 5: Solve for x
x = 88,103,902,085.23/339,162.63 - Step 6: Final answer
x = 259,768.90
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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.