Home / 255,867.20-383,455.20-226,145.60

Finding the Fourth Proportional to 255,867.20, 383,455.20 and 226,145.60

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Solution

The fourth proportional to 255,867.20, 383,455.20 and 226,145.60 is: 338,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,867.20 : 383,455.20 = 226,145.60 : x
  2. Step 2: Convert to fraction form
    255,867.20/383,455.20 = 226,145.60/x
  3. Step 3: Cross multiply
    255,867.20x = 383,455.20 × 226,145.60
  4. Step 4: Simplify right side
    255,867.20x = 86,716,706,277.12
  5. Step 5: Solve for x
    x = 86,716,706,277.12/255,867.20
  6. Step 6: Final answer
    x = 338,912.94

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1.5x scale

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.