Finding the Fourth Proportional to 213,478.44, 294,611.64 and 122,848.20
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Solution
The fourth proportional to 213,478.44, 294,611.64 and 122,848.20 is: 169,537.07
Step by Step Solution
- Step 1: Write the proportion equation
213,478.44 : 294,611.64 = 122,848.20 : x - Step 2: Convert to fraction form
213,478.44/294,611.64 = 122,848.20/x - Step 3: Cross multiply
213,478.44x = 294,611.64 × 122,848.20 - Step 4: Simplify right side
213,478.44x = 36,192,509,673.05 - Step 5: Solve for x
x = 36,192,509,673.05/213,478.44 - Step 6: Final answer
x = 169,537.07
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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.