Home / 291,222.60-436,833.90-231,736.20

Finding the Fourth Proportional to 291,222.60, 436,833.90 and 231,736.20

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Solution

The fourth proportional to 291,222.60, 436,833.90 and 231,736.20 is: 347,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,222.60 : 436,833.90 = 231,736.20 : x
  2. Step 2: Convert to fraction form
    291,222.60/436,833.90 = 231,736.20/x
  3. Step 3: Cross multiply
    291,222.60x = 436,833.90 × 231,736.20
  4. Step 4: Simplify right side
    291,222.60x = 101,230,228,017.18
  5. Step 5: Solve for x
    x = 101,230,228,017.18/291,222.60
  6. Step 6: Final answer
    x = 347,604.30

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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.