Home / 415,358.20-622,115.70-165,911.80

Finding the Fourth Proportional to 415,358.20, 622,115.70 and 165,911.80

Calculator

Solution

The fourth proportional to 415,358.20, 622,115.70 and 165,911.80 is: 248,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,358.20 : 622,115.70 = 165,911.80 : x
  2. Step 2: Convert to fraction form
    415,358.20/622,115.70 = 165,911.80/x
  3. Step 3: Cross multiply
    415,358.20x = 622,115.70 × 165,911.80
  4. Step 4: Simplify right side
    415,358.20x = 103,216,335,595.26
  5. Step 5: Solve for x
    x = 103,216,335,595.26/415,358.20
  6. Step 6: Final answer
    x = 248,499.57

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.