Finding the Fourth Proportional to 756,163.12, 1,134,244.64 and 223,642.72
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Solution
The fourth proportional to 756,163.12, 1,134,244.64 and 223,642.72 is: 335,464.07
Step by Step Solution
- Step 1: Write the proportion equation
756,163.12 : 1,134,244.64 = 223,642.72 : x - Step 2: Convert to fraction form
756,163.12/1,134,244.64 = 223,642.72/x - Step 3: Cross multiply
756,163.12x = 1,134,244.64 × 223,642.72 - Step 4: Simplify right side
756,163.12x = 253,665,556,435.02 - Step 5: Solve for x
x = 253,665,556,435.02/756,163.12 - Step 6: Final answer
x = 335,464.07
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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.