Finding the Fourth Proportional to 397,224.36, 548,163.16 and 215,940.85
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Solution
The fourth proportional to 397,224.36, 548,163.16 and 215,940.85 is: 297,994.86
Step by Step Solution
- Step 1: Write the proportion equation
397,224.36 : 548,163.16 = 215,940.85 : x - Step 2: Convert to fraction form
397,224.36/548,163.16 = 215,940.85/x - Step 3: Cross multiply
397,224.36x = 548,163.16 × 215,940.85 - Step 4: Simplify right side
397,224.36x = 118,370,816,798.83 - Step 5: Solve for x
x = 118,370,816,798.83/397,224.36 - Step 6: Final answer
x = 297,994.86
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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.