Finding the Fourth Proportional to 394,739.02, 544,739.43 and 213,450.49
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Solution
The fourth proportional to 394,739.02, 544,739.43 and 213,450.49 is: 294,561.45
Step by Step Solution
- Step 1: Write the proportion equation
394,739.02 : 544,739.43 = 213,450.49 : x - Step 2: Convert to fraction form
394,739.02/544,739.43 = 213,450.49/x - Step 3: Cross multiply
394,739.02x = 544,739.43 × 213,450.49 - Step 4: Simplify right side
394,739.02x = 116,274,898,255.82 - Step 5: Solve for x
x = 116,274,898,255.82/394,739.02 - Step 6: Final answer
x = 294,561.45
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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.