Finding the Fourth Proportional to 397,217.06, 548,239.21 and 236,040.97
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Solution
The fourth proportional to 397,217.06, 548,239.21 and 236,040.97 is: 325,783.88
Step by Step Solution
- Step 1: Write the proportion equation
397,217.06 : 548,239.21 = 236,040.97 : x - Step 2: Convert to fraction form
397,217.06/548,239.21 = 236,040.97/x - Step 3: Cross multiply
397,217.06x = 548,239.21 × 236,040.97 - Step 4: Simplify right side
397,217.06x = 129,406,916,964.43 - Step 5: Solve for x
x = 129,406,916,964.43/397,217.06 - Step 6: Final answer
x = 325,783.88
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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.