Finding the Fourth Proportional to 207,249.03, 310,873.56 and 74,121.21
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Solution
The fourth proportional to 207,249.03, 310,873.56 and 74,121.21 is: 111,181.82
Step by Step Solution
- Step 1: Write the proportion equation
207,249.03 : 310,873.56 = 74,121.21 : x - Step 2: Convert to fraction form
207,249.03/310,873.56 = 74,121.21/x - Step 3: Cross multiply
207,249.03x = 310,873.56 × 74,121.21 - Step 4: Simplify right side
207,249.03x = 23,042,324,424.21 - Step 5: Solve for x
x = 23,042,324,424.21/207,249.03 - Step 6: Final answer
x = 111,181.82
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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.