Finding the Fourth Proportional to 213,466.14, 294,575.05 and 122,851.21
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Solution
The fourth proportional to 213,466.14, 294,575.05 and 122,851.21 is: 169,529.94
Step by Step Solution
- Step 1: Write the proportion equation
213,466.14 : 294,575.05 = 122,851.21 : x - Step 2: Convert to fraction form
213,466.14/294,575.05 = 122,851.21/x - Step 3: Cross multiply
213,466.14x = 294,575.05 × 122,851.21 - Step 4: Simplify right side
213,466.14x = 36,188,901,328.31 - Step 5: Solve for x
x = 36,188,901,328.31/213,466.14 - Step 6: Final answer
x = 169,529.94
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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.