Finding the Fourth Proportional to 270,286.62, 372,997.86 and 149,433.00
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Solution
The fourth proportional to 270,286.62, 372,997.86 and 149,433.00 is: 206,218.83
Step by Step Solution
- Step 1: Write the proportion equation
270,286.62 : 372,997.86 = 149,433.00 : x - Step 2: Convert to fraction form
270,286.62/372,997.86 = 149,433.00/x - Step 3: Cross multiply
270,286.62x = 372,997.86 × 149,433.00 - Step 4: Simplify right side
270,286.62x = 55,738,190,192.94 - Step 5: Solve for x
x = 55,738,190,192.94/270,286.62 - Step 6: Final answer
x = 206,218.83
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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.