Finding the Fourth Proportional to 299,882.24, 449,869.44 and 100,140.80
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Solution
The fourth proportional to 299,882.24, 449,869.44 and 100,140.80 is: 150,226.59
Step by Step Solution
- Step 1: Write the proportion equation
299,882.24 : 449,869.44 = 100,140.80 : x - Step 2: Convert to fraction form
299,882.24/449,869.44 = 100,140.80/x - Step 3: Cross multiply
299,882.24x = 449,869.44 × 100,140.80 - Step 4: Simplify right side
299,882.24x = 45,050,285,617.15 - Step 5: Solve for x
x = 45,050,285,617.15/299,882.24 - Step 6: Final answer
x = 150,226.59
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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.