Finding the Fourth Proportional to 385,544.97, 531,101.39 and 327,999.99
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Solution
The fourth proportional to 385,544.97, 531,101.39 and 327,999.99 is: 451,831.21
Step by Step Solution
- Step 1: Write the proportion equation
385,544.97 : 531,101.39 = 327,999.99 : x - Step 2: Convert to fraction form
385,544.97/531,101.39 = 327,999.99/x - Step 3: Cross multiply
385,544.97x = 531,101.39 × 327,999.99 - Step 4: Simplify right side
385,544.97x = 174,201,250,608.99 - Step 5: Solve for x
x = 174,201,250,608.99/385,544.97 - Step 6: Final answer
x = 451,831.21
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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.