Home / 268,880.20-403,320.30-264,214.60

Finding the Fourth Proportional to 268,880.20, 403,320.30 and 264,214.60

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Solution

The fourth proportional to 268,880.20, 403,320.30 and 264,214.60 is: 396,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,880.20 : 403,320.30 = 264,214.60 : x
  2. Step 2: Convert to fraction form
    268,880.20/403,320.30 = 264,214.60/x
  3. Step 3: Cross multiply
    268,880.20x = 403,320.30 × 264,214.60
  4. Step 4: Simplify right side
    268,880.20x = 106,563,111,736.38
  5. Step 5: Solve for x
    x = 106,563,111,736.38/268,880.20
  6. Step 6: Final answer
    x = 396,321.90

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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.