Finding the Fourth Proportional to 100,378.44, 150,582.24 and 53,605.80
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Solution
The fourth proportional to 100,378.44, 150,582.24 and 53,605.80 is: 80,416.49
Step by Step Solution
- Step 1: Write the proportion equation
100,378.44 : 150,582.24 = 53,605.80 : x - Step 2: Convert to fraction form
100,378.44/150,582.24 = 53,605.80/x - Step 3: Cross multiply
100,378.44x = 150,582.24 × 53,605.80 - Step 4: Simplify right side
100,378.44x = 8,072,081,440.99 - Step 5: Solve for x
x = 8,072,081,440.99/100,378.44 - Step 6: Final answer
x = 80,416.49
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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.