Finding the Fourth Proportional to 300,122.80, 449,960.62 and 100,324.96
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Solution
The fourth proportional to 300,122.80, 449,960.62 and 100,324.96 is: 150,412.70
Step by Step Solution
- Step 1: Write the proportion equation
300,122.80 : 449,960.62 = 100,324.96 : x - Step 2: Convert to fraction form
300,122.80/449,960.62 = 100,324.96/x - Step 3: Cross multiply
300,122.80x = 449,960.62 × 100,324.96 - Step 4: Simplify right side
300,122.80x = 45,142,281,203.08 - Step 5: Solve for x
x = 45,142,281,203.08/300,122.80 - Step 6: Final answer
x = 150,412.70
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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.