Home / 354,164.40-530,371.76-263,990.88

Finding the Fourth Proportional to 354,164.40, 530,371.76 and 263,990.88

Calculator

Solution

The fourth proportional to 354,164.40, 530,371.76 and 263,990.88 is: 395,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,164.40 : 530,371.76 = 263,990.88 : x
  2. Step 2: Convert to fraction form
    354,164.40/530,371.76 = 263,990.88/x
  3. Step 3: Cross multiply
    354,164.40x = 530,371.76 × 263,990.88
  4. Step 4: Simplify right side
    354,164.40x = 140,013,307,649.55
  5. Step 5: Solve for x
    x = 140,013,307,649.55/354,164.40
  6. Step 6: Final answer
    x = 395,334.22

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.