The volume of a cylinder varies jointly with the square of its radius and with its height: $\displaystyle{V}={k}{{r}}^{{2}}{h}\usepackage{cmbright}\Huge\$

Cylinder A has a volume of 251.2 cubic inches and has a radius of 4 inches and a height of 5 inches. What is the volume of cylinder B, which has a radius of 3 inches and a height of 9 inches?