Home / 330,479.19-456,059.64-187,238.88

Finding the Fourth Proportional to 330,479.19, 456,059.64 and 187,238.88

Calculator

Solution

The fourth proportional to 330,479.19, 456,059.64 and 187,238.88 is: 258,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,479.19 : 456,059.64 = 187,238.88 : x
  2. Step 2: Convert to fraction form
    330,479.19/456,059.64 = 187,238.88/x
  3. Step 3: Cross multiply
    330,479.19x = 456,059.64 × 187,238.88
  4. Step 4: Simplify right side
    330,479.19x = 85,392,096,206.80
  5. Step 5: Solve for x
    x = 85,392,096,206.80/330,479.19
  6. Step 6: Final answer
    x = 258,388.72

Related Problems

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.