Home / 263,433.40-394,890.90-130,334.20

Finding the Fourth Proportional to 263,433.40, 394,890.90 and 130,334.20

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Solution

The fourth proportional to 263,433.40, 394,890.90 and 130,334.20 is: 195,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,433.40 : 394,890.90 = 130,334.20 : x
  2. Step 2: Convert to fraction form
    263,433.40/394,890.90 = 130,334.20/x
  3. Step 3: Cross multiply
    263,433.40x = 394,890.90 × 130,334.20
  4. Step 4: Simplify right side
    263,433.40x = 51,467,789,538.78
  5. Step 5: Solve for x
    x = 51,467,789,538.78/263,433.40
  6. Step 6: Final answer
    x = 195,373.06

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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.