Finding the Fourth Proportional to 300,163.68, 449,745.72 and 211,230.36
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Solution
The fourth proportional to 300,163.68, 449,745.72 and 211,230.36 is: 316,493.82
Step by Step Solution
- Step 1: Write the proportion equation
300,163.68 : 449,745.72 = 211,230.36 : x - Step 2: Convert to fraction form
300,163.68/449,745.72 = 211,230.36/x - Step 3: Cross multiply
300,163.68x = 449,745.72 × 211,230.36 - Step 4: Simplify right side
300,163.68x = 94,999,950,344.06 - Step 5: Solve for x
x = 94,999,950,344.06/300,163.68 - Step 6: Final answer
x = 316,493.82
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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.