Finding the Fourth Proportional to 187,458.36, 281,297.44 and 69,212.14
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Solution
The fourth proportional to 187,458.36, 281,297.44 and 69,212.14 is: 103,858.79
Step by Step Solution
- Step 1: Write the proportion equation
187,458.36 : 281,297.44 = 69,212.14 : x - Step 2: Convert to fraction form
187,458.36/281,297.44 = 69,212.14/x - Step 3: Cross multiply
187,458.36x = 281,297.44 × 69,212.14 - Step 4: Simplify right side
187,458.36x = 19,469,197,798.92 - Step 5: Solve for x
x = 19,469,197,798.92/187,458.36 - Step 6: Final answer
x = 103,858.79
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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.