Finding the Fourth Proportional to 342,310.82, 472,352.58 and 189,324.70
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Solution
The fourth proportional to 342,310.82, 472,352.58 and 189,324.70 is: 261,247.98
Step by Step Solution
- Step 1: Write the proportion equation
342,310.82 : 472,352.58 = 189,324.70 : x - Step 2: Convert to fraction form
342,310.82/472,352.58 = 189,324.70/x - Step 3: Cross multiply
342,310.82x = 472,352.58 × 189,324.70 - Step 4: Simplify right side
342,310.82x = 89,428,009,556.10 - Step 5: Solve for x
x = 89,428,009,556.10/342,310.82 - Step 6: Final answer
x = 261,247.98
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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.