Finding the Fourth Proportional to 303,189.89, 454,819.76 and 100,803.99
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Solution
The fourth proportional to 303,189.89, 454,819.76 and 100,803.99 is: 151,217.60
Step by Step Solution
- Step 1: Write the proportion equation
303,189.89 : 454,819.76 = 100,803.99 : x - Step 2: Convert to fraction form
303,189.89/454,819.76 = 100,803.99/x - Step 3: Cross multiply
303,189.89x = 454,819.76 × 100,803.99 - Step 4: Simplify right side
303,189.89x = 45,847,648,118.41 - Step 5: Solve for x
x = 45,847,648,118.41/303,189.89 - Step 6: Final answer
x = 151,217.60
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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.