Finding the Fourth Proportional to 73,561.88, 110,343.08 and 18,157.88
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Solution
The fourth proportional to 73,561.88, 110,343.08 and 18,157.88 is: 27,236.88
Step by Step Solution
- Step 1: Write the proportion equation
73,561.88 : 110,343.08 = 18,157.88 : x - Step 2: Convert to fraction form
73,561.88/110,343.08 = 18,157.88/x - Step 3: Cross multiply
73,561.88x = 110,343.08 × 18,157.88 - Step 4: Simplify right side
73,561.88x = 2,003,595,899.15 - Step 5: Solve for x
x = 2,003,595,899.15/73,561.88 - Step 6: Final answer
x = 27,236.88
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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.