Finding the Fourth Proportional to 201,786.14, 278,464.86 and 116,952.41
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Solution
The fourth proportional to 201,786.14, 278,464.86 and 116,952.41 is: 161,394.32
Step by Step Solution
- Step 1: Write the proportion equation
201,786.14 : 278,464.86 = 116,952.41 : x - Step 2: Convert to fraction form
201,786.14/278,464.86 = 116,952.41/x - Step 3: Cross multiply
201,786.14x = 278,464.86 × 116,952.41 - Step 4: Simplify right side
201,786.14x = 32,567,136,477.31 - Step 5: Solve for x
x = 32,567,136,477.31/201,786.14 - Step 6: Final answer
x = 161,394.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.