Finding the Fourth Proportional to 100,765.99, 150,919.21 and 48,212.65
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Solution
The fourth proportional to 100,765.99, 150,919.21 and 48,212.65 is: 72,209.04
Step by Step Solution
- Step 1: Write the proportion equation
100,765.99 : 150,919.21 = 48,212.65 : x - Step 2: Convert to fraction form
100,765.99/150,919.21 = 48,212.65/x - Step 3: Cross multiply
100,765.99x = 150,919.21 × 48,212.65 - Step 4: Simplify right side
100,765.99x = 7,276,215,050.01 - Step 5: Solve for x
x = 7,276,215,050.01/100,765.99 - Step 6: Final answer
x = 72,209.04
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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.