Home / 262,962.40-394,443.60-122,735.20

Finding the Fourth Proportional to 262,962.40, 394,443.60 and 122,735.20

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Solution

The fourth proportional to 262,962.40, 394,443.60 and 122,735.20 is: 184,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,962.40 : 394,443.60 = 122,735.20 : x
  2. Step 2: Convert to fraction form
    262,962.40/394,443.60 = 122,735.20/x
  3. Step 3: Cross multiply
    262,962.40x = 394,443.60 × 122,735.20
  4. Step 4: Simplify right side
    262,962.40x = 48,412,114,134.72
  5. Step 5: Solve for x
    x = 48,412,114,134.72/262,962.40
  6. Step 6: Final answer
    x = 184,102.80

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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.