Home / 354,230.60-531,000.30-316,905.80

Finding the Fourth Proportional to 354,230.60, 531,000.30 and 316,905.80

Calculator

Solution

The fourth proportional to 354,230.60, 531,000.30 and 316,905.80 is: 475,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,230.60 : 531,000.30 = 316,905.80 : x
  2. Step 2: Convert to fraction form
    354,230.60/531,000.30 = 316,905.80/x
  3. Step 3: Cross multiply
    354,230.60x = 531,000.30 × 316,905.80
  4. Step 4: Simplify right side
    354,230.60x = 168,277,074,871.74
  5. Step 5: Solve for x
    x = 168,277,074,871.74/354,230.60
  6. Step 6: Final answer
    x = 475,049.52

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.