Finding the Fourth Proportional to 100,539.24, 150,834.24 and 47,221.38
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Solution
The fourth proportional to 100,539.24, 150,834.24 and 47,221.38 is: 70,843.99
Step by Step Solution
- Step 1: Write the proportion equation
100,539.24 : 150,834.24 = 47,221.38 : x - Step 2: Convert to fraction form
100,539.24/150,834.24 = 47,221.38/x - Step 3: Cross multiply
100,539.24x = 150,834.24 × 47,221.38 - Step 4: Simplify right side
100,539.24x = 7,122,600,964.05 - Step 5: Solve for x
x = 7,122,600,964.05/100,539.24 - Step 6: Final answer
x = 70,843.99
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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.