Finding the Fourth Proportional to 1,008,190.42, 1,512,285.64 and 298,163.09
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Solution
The fourth proportional to 1,008,190.42, 1,512,285.64 and 298,163.09 is: 447,244.64
Step by Step Solution
- Step 1: Write the proportion equation
1,008,190.42 : 1,512,285.64 = 298,163.09 : x - Step 2: Convert to fraction form
1,008,190.42/1,512,285.64 = 298,163.09/x - Step 3: Cross multiply
1,008,190.42x = 1,512,285.64 × 298,163.09 - Step 4: Simplify right side
1,008,190.42x = 450,907,762,420.33 - Step 5: Solve for x
x = 450,907,762,420.33/1,008,190.42 - Step 6: Final answer
x = 447,244.64
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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.