Finding the Fourth Proportional to 263,873.11, 396,339.09 and 157,464.63
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Solution
The fourth proportional to 263,873.11, 396,339.09 and 157,464.63 is: 236,512.88
Step by Step Solution
- Step 1: Write the proportion equation
263,873.11 : 396,339.09 = 157,464.63 : x - Step 2: Convert to fraction form
263,873.11/396,339.09 = 157,464.63/x - Step 3: Cross multiply
263,873.11x = 396,339.09 × 157,464.63 - Step 4: Simplify right side
263,873.11x = 62,409,388,161.39 - Step 5: Solve for x
x = 62,409,388,161.39/263,873.11 - Step 6: Final answer
x = 236,512.88
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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.