Home / 270,605.12-405,860.16-83,618.24

Finding the Fourth Proportional to 270,605.12, 405,860.16 and 83,618.24

Calculator

Solution

The fourth proportional to 270,605.12, 405,860.16 and 83,618.24 is: 125,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,605.12 : 405,860.16 = 83,618.24 : x
  2. Step 2: Convert to fraction form
    270,605.12/405,860.16 = 83,618.24/x
  3. Step 3: Cross multiply
    270,605.12x = 405,860.16 × 83,618.24
  4. Step 4: Simplify right side
    270,605.12x = 33,937,312,265.32
  5. Step 5: Solve for x
    x = 33,937,312,265.32/270,605.12
  6. Step 6: Final answer
    x = 125,412.68

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.