Finding the Fourth Proportional to 394,475.20, 544,374.48 and 224,738.08
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Solution
The fourth proportional to 394,475.20, 544,374.48 and 224,738.08 is: 310,137.81
Step by Step Solution
- Step 1: Write the proportion equation
394,475.20 : 544,374.48 = 224,738.08 : x - Step 2: Convert to fraction form
394,475.20/544,374.48 = 224,738.08/x - Step 3: Cross multiply
394,475.20x = 544,374.48 × 224,738.08 - Step 4: Simplify right side
394,475.20x = 122,341,675,436.20 - Step 5: Solve for x
x = 122,341,675,436.20/394,475.20 - Step 6: Final answer
x = 310,137.81
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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.