Finding the Fourth Proportional to 213,476.44, 294,608.88 and 122,846.20
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Solution
The fourth proportional to 213,476.44, 294,608.88 and 122,846.20 is: 169,534.31
Step by Step Solution
- Step 1: Write the proportion equation
213,476.44 : 294,608.88 = 122,846.20 : x - Step 2: Convert to fraction form
213,476.44/294,608.88 = 122,846.20/x - Step 3: Cross multiply
213,476.44x = 294,608.88 × 122,846.20 - Step 4: Simplify right side
213,476.44x = 36,191,581,394.26 - Step 5: Solve for x
x = 36,191,581,394.26/213,476.44 - Step 6: Final answer
x = 169,534.31
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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.