Finding the Fourth Proportional to 965,163.85, 1,447,756.92 and 291,250.99
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Solution
The fourth proportional to 965,163.85, 1,447,756.92 and 291,250.99 is: 436,879.85
Step by Step Solution
- Step 1: Write the proportion equation
965,163.85 : 1,447,756.92 = 291,250.99 : x - Step 2: Convert to fraction form
965,163.85/1,447,756.92 = 291,250.99/x - Step 3: Cross multiply
965,163.85x = 1,447,756.92 × 291,250.99 - Step 4: Simplify right side
965,163.85x = 421,660,639,062.97 - Step 5: Solve for x
x = 421,660,639,062.97/965,163.85 - Step 6: Final answer
x = 436,879.85
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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.