Finding the Fourth Proportional to 397,324.75, 548,308.16 and 218,476.75
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Solution
The fourth proportional to 397,324.75, 548,308.16 and 218,476.75 is: 301,497.92
Step by Step Solution
- Step 1: Write the proportion equation
397,324.75 : 548,308.16 = 218,476.75 : x - Step 2: Convert to fraction form
397,324.75/548,308.16 = 218,476.75/x - Step 3: Cross multiply
397,324.75x = 548,308.16 × 218,476.75 - Step 4: Simplify right side
397,324.75x = 119,792,584,795.28 - Step 5: Solve for x
x = 119,792,584,795.28/397,324.75 - Step 6: Final answer
x = 301,497.92
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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.