Finding the Fourth Proportional to 263,983.26, 364,293.09 and 143,122.26
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Solution
The fourth proportional to 263,983.26, 364,293.09 and 143,122.26 is: 197,506.65
Step by Step Solution
- Step 1: Write the proportion equation
263,983.26 : 364,293.09 = 143,122.26 : x - Step 2: Convert to fraction form
263,983.26/364,293.09 = 143,122.26/x - Step 3: Cross multiply
263,983.26x = 364,293.09 × 143,122.26 - Step 4: Simplify right side
263,983.26x = 52,138,450,343.18 - Step 5: Solve for x
x = 52,138,450,343.18/263,983.26 - Step 6: Final answer
x = 197,506.65
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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.