Home / 266,297.13-367,488.09-145,438.38

Finding the Fourth Proportional to 266,297.13, 367,488.09 and 145,438.38

Calculator

Solution

The fourth proportional to 266,297.13, 367,488.09 and 145,438.38 is: 200,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,297.13 : 367,488.09 = 145,438.38 : x
  2. Step 2: Convert to fraction form
    266,297.13/367,488.09 = 145,438.38/x
  3. Step 3: Cross multiply
    266,297.13x = 367,488.09 × 145,438.38
  4. Step 4: Simplify right side
    266,297.13x = 53,446,872,478.89
  5. Step 5: Solve for x
    x = 53,446,872,478.89/266,297.13
  6. Step 6: Final answer
    x = 200,703.90

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.