Finding the Fourth Proportional to 342,273.67, 472,296.60 and 189,291.09
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Solution
The fourth proportional to 342,273.67, 472,296.60 and 189,291.09 is: 261,198.99
Step by Step Solution
- Step 1: Write the proportion equation
342,273.67 : 472,296.60 = 189,291.09 : x - Step 2: Convert to fraction form
342,273.67/472,296.60 = 189,291.09/x - Step 3: Cross multiply
342,273.67x = 472,296.60 × 189,291.09 - Step 4: Simplify right side
342,273.67x = 89,401,538,217.29 - Step 5: Solve for x
x = 89,401,538,217.29/342,273.67 - Step 6: Final answer
x = 261,198.99
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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.