Home / 255,165.20-381,840.60-222,246.80

Finding the Fourth Proportional to 255,165.20, 381,840.60 and 222,246.80

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Solution

The fourth proportional to 255,165.20, 381,840.60 and 222,246.80 is: 332,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,165.20 : 381,840.60 = 222,246.80 : x
  2. Step 2: Convert to fraction form
    255,165.20/381,840.60 = 222,246.80/x
  3. Step 3: Cross multiply
    255,165.20x = 381,840.60 × 222,246.80
  4. Step 4: Simplify right side
    255,165.20x = 84,862,851,460.08
  5. Step 5: Solve for x
    x = 84,862,851,460.08/255,165.20
  6. Step 6: Final answer
    x = 332,580.04

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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.