Finding the Fourth Proportional to 397,292.34, 548,245.67 and 225,207.84
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Solution
The fourth proportional to 397,292.34, 548,245.67 and 225,207.84 is: 310,776.75
Step by Step Solution
- Step 1: Write the proportion equation
397,292.34 : 548,245.67 = 225,207.84 : x - Step 2: Convert to fraction form
397,292.34/548,245.67 = 225,207.84/x - Step 3: Cross multiply
397,292.34x = 548,245.67 × 225,207.84 - Step 4: Simplify right side
397,292.34x = 123,469,224,059.94 - Step 5: Solve for x
x = 123,469,224,059.94/397,292.34 - Step 6: Final answer
x = 310,776.75
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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.