Finding the Fourth Proportional to 397,197.13, 548,091.08 and 236,021.04
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Solution
The fourth proportional to 397,197.13, 548,091.08 and 236,021.04 is: 325,684.69
Step by Step Solution
- Step 1: Write the proportion equation
397,197.13 : 548,091.08 = 236,021.04 : x - Step 2: Convert to fraction form
397,197.13/548,091.08 = 236,021.04/x - Step 3: Cross multiply
397,197.13x = 548,091.08 × 236,021.04 - Step 4: Simplify right side
397,197.13x = 129,361,025,591.53 - Step 5: Solve for x
x = 129,361,025,591.53/397,197.13 - Step 6: Final answer
x = 325,684.69
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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.