Finding the Fourth Proportional to 110,544.75, 165,818.21 and 27,438.75
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Solution
The fourth proportional to 110,544.75, 165,818.21 and 27,438.75 is: 41,158.39
Step by Step Solution
- Step 1: Write the proportion equation
110,544.75 : 165,818.21 = 27,438.75 : x - Step 2: Convert to fraction form
110,544.75/165,818.21 = 27,438.75/x - Step 3: Cross multiply
110,544.75x = 165,818.21 × 27,438.75 - Step 4: Simplify right side
110,544.75x = 4,549,844,272.44 - Step 5: Solve for x
x = 4,549,844,272.44/110,544.75 - Step 6: Final answer
x = 41,158.39
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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.