Finding the Fourth Proportional to 206,163.24, 284,455.98 and 120,069.96
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Solution
The fourth proportional to 206,163.24, 284,455.98 and 120,069.96 is: 165,667.84
Step by Step Solution
- Step 1: Write the proportion equation
206,163.24 : 284,455.98 = 120,069.96 : x - Step 2: Convert to fraction form
206,163.24/284,455.98 = 120,069.96/x - Step 3: Cross multiply
206,163.24x = 284,455.98 × 120,069.96 - Step 4: Simplify right side
206,163.24x = 34,154,618,140.36 - Step 5: Solve for x
x = 34,154,618,140.36/206,163.24 - Step 6: Final answer
x = 165,667.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.