Finding the Fourth Proportional to 499,603.69, 689,453.09 and 273,249.19
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Solution
The fourth proportional to 499,603.69, 689,453.09 and 273,249.19 is: 377,083.88
Step by Step Solution
- Step 1: Write the proportion equation
499,603.69 : 689,453.09 = 273,249.19 : x - Step 2: Convert to fraction form
499,603.69/689,453.09 = 273,249.19/x - Step 3: Cross multiply
499,603.69x = 689,453.09 × 273,249.19 - Step 4: Simplify right side
499,603.69x = 188,392,497,344.99 - Step 5: Solve for x
x = 188,392,497,344.99/499,603.69 - Step 6: Final answer
x = 377,083.88
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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.