Home / 303,623.20-455,434.80-204,090.40

Finding the Fourth Proportional to 303,623.20, 455,434.80 and 204,090.40

Calculator

Solution

The fourth proportional to 303,623.20, 455,434.80 and 204,090.40 is: 306,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,623.20 : 455,434.80 = 204,090.40 : x
  2. Step 2: Convert to fraction form
    303,623.20/455,434.80 = 204,090.40/x
  3. Step 3: Cross multiply
    303,623.20x = 455,434.80 × 204,090.40
  4. Step 4: Simplify right side
    303,623.20x = 92,949,870,505.92
  5. Step 5: Solve for x
    x = 92,949,870,505.92/303,623.20
  6. Step 6: Final answer
    x = 306,135.60

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.