Finding the Fourth Proportional to 110,685.40, 166,028.10 and 44,135.80
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Solution
The fourth proportional to 110,685.40, 166,028.10 and 44,135.80 is: 66,203.70
Step by Step Solution
- Step 1: Write the proportion equation
110,685.40 : 166,028.10 = 44,135.80 : x - Step 2: Convert to fraction form
110,685.40/166,028.10 = 44,135.80/x - Step 3: Cross multiply
110,685.40x = 166,028.10 × 44,135.80 - Step 4: Simplify right side
110,685.40x = 7,327,783,015.98 - Step 5: Solve for x
x = 7,327,783,015.98/110,685.40 - Step 6: Final answer
x = 66,203.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.