Finding the Fourth Proportional to 100,305.99, 150,458.67 and 25,425.92
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Solution
The fourth proportional to 100,305.99, 150,458.67 and 25,425.92 is: 38,138.79
Step by Step Solution
- Step 1: Write the proportion equation
100,305.99 : 150,458.67 = 25,425.92 : x - Step 2: Convert to fraction form
100,305.99/150,458.67 = 25,425.92/x - Step 3: Cross multiply
100,305.99x = 150,458.67 × 25,425.92 - Step 4: Simplify right side
100,305.99x = 3,825,549,354.43 - Step 5: Solve for x
x = 3,825,549,354.43/100,305.99 - Step 6: Final answer
x = 38,138.79
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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.