Home / 263,359.20-394,585.20-122,829.60

Finding the Fourth Proportional to 263,359.20, 394,585.20 and 122,829.60

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Solution

The fourth proportional to 263,359.20, 394,585.20 and 122,829.60 is: 184,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,359.20 : 394,585.20 = 122,829.60 : x
  2. Step 2: Convert to fraction form
    263,359.20/394,585.20 = 122,829.60/x
  3. Step 3: Cross multiply
    263,359.20x = 394,585.20 × 122,829.60
  4. Step 4: Simplify right side
    263,359.20x = 48,466,742,281.92
  5. Step 5: Solve for x
    x = 48,466,742,281.92/263,359.20
  6. Step 6: Final answer
    x = 184,032.84

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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.