Finding the Fourth Proportional to 494,163.10, 742,119.45 and 382,115.80
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Solution
The fourth proportional to 494,163.10, 742,119.45 and 382,115.80 is: 573,850.15
Step by Step Solution
- Step 1: Write the proportion equation
494,163.10 : 742,119.45 = 382,115.80 : x - Step 2: Convert to fraction form
494,163.10/742,119.45 = 382,115.80/x - Step 3: Cross multiply
494,163.10x = 742,119.45 × 382,115.80 - Step 4: Simplify right side
494,163.10x = 283,575,567,332.31 - Step 5: Solve for x
x = 283,575,567,332.31/494,163.10 - Step 6: Final answer
x = 573,850.15
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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.