Finding the Fourth Proportional to 211,745.81, 317,449.26 and 110,493.05
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Solution
The fourth proportional to 211,745.81, 317,449.26 and 110,493.05 is: 165,651.14
Step by Step Solution
- Step 1: Write the proportion equation
211,745.81 : 317,449.26 = 110,493.05 : x - Step 2: Convert to fraction form
211,745.81/317,449.26 = 110,493.05/x - Step 3: Cross multiply
211,745.81x = 317,449.26 × 110,493.05 - Step 4: Simplify right side
211,745.81x = 35,075,935,370.40 - Step 5: Solve for x
x = 35,075,935,370.40/211,745.81 - Step 6: Final answer
x = 165,651.14
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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.