Finding the Fourth Proportional to 248,665.18, 372,997.44 and 115,472.60
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Solution
The fourth proportional to 248,665.18, 372,997.44 and 115,472.60 is: 173,208.75
Step by Step Solution
- Step 1: Write the proportion equation
248,665.18 : 372,997.44 = 115,472.60 : x - Step 2: Convert to fraction form
248,665.18/372,997.44 = 115,472.60/x - Step 3: Cross multiply
248,665.18x = 372,997.44 × 115,472.60 - Step 4: Simplify right side
248,665.18x = 43,070,984,190.14 - Step 5: Solve for x
x = 43,070,984,190.14/248,665.18 - Step 6: Final answer
x = 173,208.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.