Home / 219,628.80-329,443.20-202,521.60

Finding the Fourth Proportional to 219,628.80, 329,443.20 and 202,521.60

Calculator

Solution

The fourth proportional to 219,628.80, 329,443.20 and 202,521.60 is: 303,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,628.80 : 329,443.20 = 202,521.60 : x
  2. Step 2: Convert to fraction form
    219,628.80/329,443.20 = 202,521.60/x
  3. Step 3: Cross multiply
    219,628.80x = 329,443.20 × 202,521.60
  4. Step 4: Simplify right side
    219,628.80x = 66,719,363,973.12
  5. Step 5: Solve for x
    x = 66,719,363,973.12/219,628.80
  6. Step 6: Final answer
    x = 303,782.40

Related Problems

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.