Finding the Fourth Proportional to 300,647.05, 414,892.42 and 164,686.75
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Solution
The fourth proportional to 300,647.05, 414,892.42 and 164,686.75 is: 227,267.44
Step by Step Solution
- Step 1: Write the proportion equation
300,647.05 : 414,892.42 = 164,686.75 : x - Step 2: Convert to fraction form
300,647.05/414,892.42 = 164,686.75/x - Step 3: Cross multiply
300,647.05x = 414,892.42 × 164,686.75 - Step 4: Simplify right side
300,647.05x = 68,327,284,249.44 - Step 5: Solve for x
x = 68,327,284,249.44/300,647.05 - Step 6: Final answer
x = 227,267.44
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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.