Finding the Fourth Proportional to 80,275.36, 110,778.84 and 44,465.26
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Solution
The fourth proportional to 80,275.36, 110,778.84 and 44,465.26 is: 61,361.42
Step by Step Solution
- Step 1: Write the proportion equation
80,275.36 : 110,778.84 = 44,465.26 : x - Step 2: Convert to fraction form
80,275.36/110,778.84 = 44,465.26/x - Step 3: Cross multiply
80,275.36x = 110,778.84 × 44,465.26 - Step 4: Simplify right side
80,275.36x = 4,925,809,923.10 - Step 5: Solve for x
x = 4,925,809,923.10/80,275.36 - Step 6: Final answer
x = 61,361.42
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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.