Finding the Fourth Proportional to 236,173.76, 354,261.02 and 71,857.62
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Solution
The fourth proportional to 236,173.76, 354,261.02 and 71,857.62 is: 107,786.55
Step by Step Solution
- Step 1: Write the proportion equation
236,173.76 : 354,261.02 = 71,857.62 : x - Step 2: Convert to fraction form
236,173.76/354,261.02 = 71,857.62/x - Step 3: Cross multiply
236,173.76x = 354,261.02 × 71,857.62 - Step 4: Simplify right side
236,173.76x = 25,456,353,755.97 - Step 5: Solve for x
x = 25,456,353,755.97/236,173.76 - Step 6: Final answer
x = 107,786.55
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1.5x scale
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.