Home / 257,355-355,164.48-144,214.20

Finding the Fourth Proportional to 257,355, 355,164.48 and 144,214.20

Calculator

Solution

The fourth proportional to 257,355, 355,164.48 and 144,214.20 is: 199,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,355 : 355,164.48 = 144,214.20 : x
  2. Step 2: Convert to fraction form
    257,355/355,164.48 = 144,214.20/x
  3. Step 3: Cross multiply
    257,355x = 355,164.48 × 144,214.20
  4. Step 4: Simplify right side
    257,355x = 51,219,761,351.62
  5. Step 5: Solve for x
    x = 51,219,761,351.62/257,355
  6. Step 6: Final answer
    x = 199,023.77

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.