Finding the Fourth Proportional to 862,201.80, 1,293,302.70 and 301,163.40
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Solution
The fourth proportional to 862,201.80, 1,293,302.70 and 301,163.40 is: 451,745.10
Step by Step Solution
- Step 1: Write the proportion equation
862,201.80 : 1,293,302.70 = 301,163.40 : x - Step 2: Convert to fraction form
862,201.80/1,293,302.70 = 301,163.40/x - Step 3: Cross multiply
862,201.80x = 1,293,302.70 × 301,163.40 - Step 4: Simplify right side
862,201.80x = 389,495,438,361.18 - Step 5: Solve for x
x = 389,495,438,361.18/862,201.80 - Step 6: Final answer
x = 451,745.10
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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.