Finding the Fourth Proportional to 395,606.88, 545,936.83 and 214,323.41
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Solution
The fourth proportional to 395,606.88, 545,936.83 and 214,323.41 is: 295,765.95
Step by Step Solution
- Step 1: Write the proportion equation
395,606.88 : 545,936.83 = 214,323.41 : x - Step 2: Convert to fraction form
395,606.88/545,936.83 = 214,323.41/x - Step 3: Cross multiply
395,606.88x = 545,936.83 × 214,323.41 - Step 4: Simplify right side
395,606.88x = 117,007,043,879.22 - Step 5: Solve for x
x = 117,007,043,879.22/395,606.88 - Step 6: Final answer
x = 295,765.95
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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.