Home / 306,605.80-423,115.38-172,469.80

Finding the Fourth Proportional to 306,605.80, 423,115.38 and 172,469.80

Calculator

Solution

The fourth proportional to 306,605.80, 423,115.38 and 172,469.80 is: 238,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,605.80 : 423,115.38 = 172,469.80 : x
  2. Step 2: Convert to fraction form
    306,605.80/423,115.38 = 172,469.80/x
  3. Step 3: Cross multiply
    306,605.80x = 423,115.38 × 172,469.80
  4. Step 4: Simplify right side
    306,605.80x = 72,974,624,965.52
  5. Step 5: Solve for x
    x = 72,974,624,965.52/306,605.80
  6. Step 6: Final answer
    x = 238,007.97

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.