Home / 254,604.40-381,388.20-130,015.60

Finding the Fourth Proportional to 254,604.40, 381,388.20 and 130,015.60

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Solution

The fourth proportional to 254,604.40, 381,388.20 and 130,015.60 is: 194,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,604.40 : 381,388.20 = 130,015.60 : x
  2. Step 2: Convert to fraction form
    254,604.40/381,388.20 = 130,015.60/x
  3. Step 3: Cross multiply
    254,604.40x = 381,388.20 × 130,015.60
  4. Step 4: Simplify right side
    254,604.40x = 49,586,415,655.92
  5. Step 5: Solve for x
    x = 49,586,415,655.92/254,604.40
  6. Step 6: Final answer
    x = 194,758.68

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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.