Finding the Fourth Proportional to 300,872.78, 415,149.99 and 193,418.18
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Solution
The fourth proportional to 300,872.78, 415,149.99 and 193,418.18 is: 266,882.08
Step by Step Solution
- Step 1: Write the proportion equation
300,872.78 : 415,149.99 = 193,418.18 : x - Step 2: Convert to fraction form
300,872.78/415,149.99 = 193,418.18/x - Step 3: Cross multiply
300,872.78x = 415,149.99 × 193,418.18 - Step 4: Simplify right side
300,872.78x = 80,297,553,417.07 - Step 5: Solve for x
x = 80,297,553,417.07/300,872.78 - Step 6: Final answer
x = 266,882.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.