Home / 282,589.56-389,570.31-201,987.68

Finding the Fourth Proportional to 282,589.56, 389,570.31 and 201,987.68

Calculator

Solution

The fourth proportional to 282,589.56, 389,570.31 and 201,987.68 is: 278,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,589.56 : 389,570.31 = 201,987.68 : x
  2. Step 2: Convert to fraction form
    282,589.56/389,570.31 = 201,987.68/x
  3. Step 3: Cross multiply
    282,589.56x = 389,570.31 × 201,987.68
  4. Step 4: Simplify right side
    282,589.56x = 78,688,401,165.93
  5. Step 5: Solve for x
    x = 78,688,401,165.93/282,589.56
  6. Step 6: Final answer
    x = 278,454.74

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.