let heights = [
    120,
    180,
    240,
    360,
    480,
    720,
    1080,
    1440,
    2160
];

let base = 480;
let bitrate = 1000;
let exponent = 0.85;

function area(h) {
    let w = Math.round(h * 16 / 9);
    return w * h;
}

function rate(h) {
    let ratio = area(h) / area(base);
    return Math.round(bitrate * (ratio ** exponent));
}

for (let h of heights) {
    console.log(`${h}: ${rate(h)}`);
}