Finding the Fourth Proportional to 397,260.62, 548,224.27 and 215,968.58
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Solution
The fourth proportional to 397,260.62, 548,224.27 and 215,968.58 is: 298,039.15
Step by Step Solution
- Step 1: Write the proportion equation
397,260.62 : 548,224.27 = 215,968.58 : x - Step 2: Convert to fraction form
397,260.62/548,224.27 = 215,968.58/x - Step 3: Cross multiply
397,260.62x = 548,224.27 × 215,968.58 - Step 4: Simplify right side
397,260.62x = 118,399,215,888.24 - Step 5: Solve for x
x = 118,399,215,888.24/397,260.62 - Step 6: Final answer
x = 298,039.15
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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.