Home / 628,027.70-942,052.36-178,760.12

Finding the Fourth Proportional to 628,027.70, 942,052.36 and 178,760.12

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Solution

The fourth proportional to 628,027.70, 942,052.36 and 178,760.12 is: 268,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,027.70 : 942,052.36 = 178,760.12 : x
  2. Step 2: Convert to fraction form
    628,027.70/942,052.36 = 178,760.12/x
  3. Step 3: Cross multiply
    628,027.70x = 942,052.36 × 178,760.12
  4. Step 4: Simplify right side
    628,027.70x = 168,401,392,919.88
  5. Step 5: Solve for x
    x = 168,401,392,919.88/628,027.70
  6. Step 6: Final answer
    x = 268,143.26

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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.