Finding the Fourth Proportional to 910,163.56, 1,365,507.42 and 279,169.96
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Solution
The fourth proportional to 910,163.56, 1,365,507.42 and 279,169.96 is: 418,835.33
Step by Step Solution
- Step 1: Write the proportion equation
910,163.56 : 1,365,507.42 = 279,169.96 : x - Step 2: Convert to fraction form
910,163.56/1,365,507.42 = 279,169.96/x - Step 3: Cross multiply
910,163.56x = 1,365,507.42 × 279,169.96 - Step 4: Simplify right side
910,163.56x = 381,208,651,821.10 - Step 5: Solve for x
x = 381,208,651,821.10/910,163.56 - Step 6: Final answer
x = 418,835.33
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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.