Finding the Fourth Proportional to 394,457.42, 544,218.26 and 224,571.26
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Solution
The fourth proportional to 394,457.42, 544,218.26 and 224,571.26 is: 309,832.63
Step by Step Solution
- Step 1: Write the proportion equation
394,457.42 : 544,218.26 = 224,571.26 : x - Step 2: Convert to fraction form
394,457.42/544,218.26 = 224,571.26/x - Step 3: Cross multiply
394,457.42x = 544,218.26 × 224,571.26 - Step 4: Simplify right side
394,457.42x = 122,215,780,363.21 - Step 5: Solve for x
x = 122,215,780,363.21/394,457.42 - Step 6: Final answer
x = 309,832.63
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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.