Finding the Fourth Proportional to 300,211.05, 450,277.68 and 113,198.25
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Solution
The fourth proportional to 300,211.05, 450,277.68 and 113,198.25 is: 169,782.71
Step by Step Solution
- Step 1: Write the proportion equation
300,211.05 : 450,277.68 = 113,198.25 : x - Step 2: Convert to fraction form
300,211.05/450,277.68 = 113,198.25/x - Step 3: Cross multiply
300,211.05x = 450,277.68 × 113,198.25 - Step 4: Simplify right side
300,211.05x = 50,970,645,390.06 - Step 5: Solve for x
x = 50,970,645,390.06/300,211.05 - Step 6: Final answer
x = 169,782.71
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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.