Home / 263,134.20-394,409.70-144,890.40

Finding the Fourth Proportional to 263,134.20, 394,409.70 and 144,890.40

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Solution

The fourth proportional to 263,134.20, 394,409.70 and 144,890.40 is: 217,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,134.20 : 394,409.70 = 144,890.40 : x
  2. Step 2: Convert to fraction form
    263,134.20/394,409.70 = 144,890.40/x
  3. Step 3: Cross multiply
    263,134.20x = 394,409.70 × 144,890.40
  4. Step 4: Simplify right side
    263,134.20x = 57,146,179,196.88
  5. Step 5: Solve for x
    x = 57,146,179,196.88/263,134.20
  6. Step 6: Final answer
    x = 217,175.04

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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.