Finding the Fourth Proportional to 394,578.84, 544,517.73 and 224,814.18
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Solution
The fourth proportional to 394,578.84, 544,517.73 and 224,814.18 is: 310,242.96
Step by Step Solution
- Step 1: Write the proportion equation
394,578.84 : 544,517.73 = 224,814.18 : x - Step 2: Convert to fraction form
394,578.84/544,517.73 = 224,814.18/x - Step 3: Cross multiply
394,578.84x = 544,517.73 × 224,814.18 - Step 4: Simplify right side
394,578.84x = 122,415,306,965.41 - Step 5: Solve for x
x = 122,415,306,965.41/394,578.84 - Step 6: Final answer
x = 310,242.96
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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.