Home / 262,904.76-394,591.50-122,742.36

Finding the Fourth Proportional to 262,904.76, 394,591.50 and 122,742.36

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Solution

The fourth proportional to 262,904.76, 394,591.50 and 122,742.36 is: 184,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,904.76 : 394,591.50 = 122,742.36 : x
  2. Step 2: Convert to fraction form
    262,904.76/394,591.50 = 122,742.36/x
  3. Step 3: Cross multiply
    262,904.76x = 394,591.50 × 122,742.36
  4. Step 4: Simplify right side
    262,904.76x = 48,433,091,945.94
  5. Step 5: Solve for x
    x = 48,433,091,945.94/262,904.76
  6. Step 6: Final answer
    x = 184,222.96

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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.