Home / 282,432.20-389,765.42-155,107.80

Finding the Fourth Proportional to 282,432.20, 389,765.42 and 155,107.80

Calculator

Solution

The fourth proportional to 282,432.20, 389,765.42 and 155,107.80 is: 214,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,432.20 : 389,765.42 = 155,107.80 : x
  2. Step 2: Convert to fraction form
    282,432.20/389,765.42 = 155,107.80/x
  3. Step 3: Cross multiply
    282,432.20x = 389,765.42 × 155,107.80
  4. Step 4: Simplify right side
    282,432.20x = 60,455,656,036.74
  5. Step 5: Solve for x
    x = 60,455,656,036.74/282,432.20
  6. Step 6: Final answer
    x = 214,053.70

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.