Home / 427,380.26-589,745.18-236,389.54

Finding the Fourth Proportional to 427,380.26, 589,745.18 and 236,389.54

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Solution

The fourth proportional to 427,380.26, 589,745.18 and 236,389.54 is: 326,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,380.26 : 589,745.18 = 236,389.54 : x
  2. Step 2: Convert to fraction form
    427,380.26/589,745.18 = 236,389.54/x
  3. Step 3: Cross multiply
    427,380.26x = 589,745.18 × 236,389.54
  4. Step 4: Simplify right side
    427,380.26x = 139,409,591,817.42
  5. Step 5: Solve for x
    x = 139,409,591,817.42/427,380.26
  6. Step 6: Final answer
    x = 326,195.67

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1.5x scale

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.