Home / 347,020.40-478,889.45-201,861.02

Finding the Fourth Proportional to 347,020.40, 478,889.45 and 201,861.02

Calculator

Solution

The fourth proportional to 347,020.40, 478,889.45 and 201,861.02 is: 278,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,020.40 : 478,889.45 = 201,861.02 : x
  2. Step 2: Convert to fraction form
    347,020.40/478,889.45 = 201,861.02/x
  3. Step 3: Cross multiply
    347,020.40x = 478,889.45 × 201,861.02
  4. Step 4: Simplify right side
    347,020.40x = 96,669,111,834.93
  5. Step 5: Solve for x
    x = 96,669,111,834.93/347,020.40
  6. Step 6: Final answer
    x = 278,568.96

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.