Home / 362,102.55-542,978.46-212,391.87

Finding the Fourth Proportional to 362,102.55, 542,978.46 and 212,391.87

Calculator

Solution

The fourth proportional to 362,102.55, 542,978.46 and 212,391.87 is: 318,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,102.55 : 542,978.46 = 212,391.87 : x
  2. Step 2: Convert to fraction form
    362,102.55/542,978.46 = 212,391.87/x
  3. Step 3: Cross multiply
    362,102.55x = 542,978.46 × 212,391.87
  4. Step 4: Simplify right side
    362,102.55x = 115,324,210,489.12
  5. Step 5: Solve for x
    x = 115,324,210,489.12/362,102.55
  6. Step 6: Final answer
    x = 318,484.94

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.