Home / 218,280.40-327,420.60-70,536.40

Finding the Fourth Proportional to 218,280.40, 327,420.60 and 70,536.40

Calculator

Solution

The fourth proportional to 218,280.40, 327,420.60 and 70,536.40 is: 105,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,280.40 : 327,420.60 = 70,536.40 : x
  2. Step 2: Convert to fraction form
    218,280.40/327,420.60 = 70,536.40/x
  3. Step 3: Cross multiply
    218,280.40x = 327,420.60 × 70,536.40
  4. Step 4: Simplify right side
    218,280.40x = 23,095,070,409.84
  5. Step 5: Solve for x
    x = 23,095,070,409.84/218,280.40
  6. Step 6: Final answer
    x = 105,804.60

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.