Finding the Fourth Proportional to 342,310.56, 472,352.24 and 189,324.44
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Solution
The fourth proportional to 342,310.56, 472,352.24 and 189,324.44 is: 261,247.63
Step by Step Solution
- Step 1: Write the proportion equation
342,310.56 : 472,352.24 = 189,324.44 : x - Step 2: Convert to fraction form
342,310.56/472,352.24 = 189,324.44/x - Step 3: Cross multiply
342,310.56x = 472,352.24 × 189,324.44 - Step 4: Simplify right side
342,310.56x = 89,427,823,203.62 - Step 5: Solve for x
x = 89,427,823,203.62/342,310.56 - Step 6: Final answer
x = 261,247.63
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1.5x scale
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.