Home / 455,136.30-682,704.45-155,590.20

Finding the Fourth Proportional to 455,136.30, 682,704.45 and 155,590.20

Calculator

Solution

The fourth proportional to 455,136.30, 682,704.45 and 155,590.20 is: 233,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,136.30 : 682,704.45 = 155,590.20 : x
  2. Step 2: Convert to fraction form
    455,136.30/682,704.45 = 155,590.20/x
  3. Step 3: Cross multiply
    455,136.30x = 682,704.45 × 155,590.20
  4. Step 4: Simplify right side
    455,136.30x = 106,222,121,916.39
  5. Step 5: Solve for x
    x = 106,222,121,916.39/455,136.30
  6. Step 6: Final answer
    x = 233,385.30

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.