Finding the Fourth Proportional to 325,134.21, 487,747.89 and 100,514.19
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Solution
The fourth proportional to 325,134.21, 487,747.89 and 100,514.19 is: 150,785.68
Step by Step Solution
- Step 1: Write the proportion equation
325,134.21 : 487,747.89 = 100,514.19 : x - Step 2: Convert to fraction form
325,134.21/487,747.89 = 100,514.19/x - Step 3: Cross multiply
325,134.21x = 487,747.89 × 100,514.19 - Step 4: Simplify right side
325,134.21x = 49,025,584,087.56 - Step 5: Solve for x
x = 49,025,584,087.56/325,134.21 - Step 6: Final answer
x = 150,785.68
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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.