Finding the Fourth Proportional to 201,107.02, 277,516.86 and 115,067.68
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Solution
The fourth proportional to 201,107.02, 277,516.86 and 115,067.68 is: 158,787.20
Step by Step Solution
- Step 1: Write the proportion equation
201,107.02 : 277,516.86 = 115,067.68 : x - Step 2: Convert to fraction form
201,107.02/277,516.86 = 115,067.68/x - Step 3: Cross multiply
201,107.02x = 277,516.86 × 115,067.68 - Step 4: Simplify right side
201,107.02x = 31,933,221,241.08 - Step 5: Solve for x
x = 31,933,221,241.08/201,107.02 - Step 6: Final answer
x = 158,787.20
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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.