Finding the Fourth Proportional to 73,519.36, 110,270.27 and 20,216.75
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Solution
The fourth proportional to 73,519.36, 110,270.27 and 20,216.75 is: 30,322.71
Step by Step Solution
- Step 1: Write the proportion equation
73,519.36 : 110,270.27 = 20,216.75 : x - Step 2: Convert to fraction form
73,519.36/110,270.27 = 20,216.75/x - Step 3: Cross multiply
73,519.36x = 110,270.27 × 20,216.75 - Step 4: Simplify right side
73,519.36x = 2,229,306,481.02 - Step 5: Solve for x
x = 2,229,306,481.02/73,519.36 - Step 6: Final answer
x = 30,322.71
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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.