Home / 316,287.20-474,430.80-105,903.20

Finding the Fourth Proportional to 316,287.20, 474,430.80 and 105,903.20

Calculator

Solution

The fourth proportional to 316,287.20, 474,430.80 and 105,903.20 is: 158,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,287.20 : 474,430.80 = 105,903.20 : x
  2. Step 2: Convert to fraction form
    316,287.20/474,430.80 = 105,903.20/x
  3. Step 3: Cross multiply
    316,287.20x = 474,430.80 × 105,903.20
  4. Step 4: Simplify right side
    316,287.20x = 50,243,739,898.56
  5. Step 5: Solve for x
    x = 50,243,739,898.56/316,287.20
  6. Step 6: Final answer
    x = 158,854.80

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.