Home / 288,419.22-432,025.38-231,954.12

Finding the Fourth Proportional to 288,419.22, 432,025.38 and 231,954.12

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Solution

The fourth proportional to 288,419.22, 432,025.38 and 231,954.12 is: 347,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,419.22 : 432,025.38 = 231,954.12 : x
  2. Step 2: Convert to fraction form
    288,419.22/432,025.38 = 231,954.12/x
  3. Step 3: Cross multiply
    288,419.22x = 432,025.38 × 231,954.12
  4. Step 4: Simplify right side
    288,419.22x = 100,210,066,835.57
  5. Step 5: Solve for x
    x = 100,210,066,835.57/288,419.22
  6. Step 6: Final answer
    x = 347,445.87

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1.5x scale

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.