Finding the Fourth Proportional to 279,516.08, 419,318.23 and 119,593.05
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Solution
The fourth proportional to 279,516.08, 419,318.23 and 119,593.05 is: 179,408.45
Step by Step Solution
- Step 1: Write the proportion equation
279,516.08 : 419,318.23 = 119,593.05 : x - Step 2: Convert to fraction form
279,516.08/419,318.23 = 119,593.05/x - Step 3: Cross multiply
279,516.08x = 419,318.23 × 119,593.05 - Step 4: Simplify right side
279,516.08x = 50,147,546,757.78 - Step 5: Solve for x
x = 50,147,546,757.78/279,516.08 - Step 6: Final answer
x = 179,408.45
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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.