Home / 367,905.60-550,546.20-255,056.40

Finding the Fourth Proportional to 367,905.60, 550,546.20 and 255,056.40

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Solution

The fourth proportional to 367,905.60, 550,546.20 and 255,056.40 is: 381,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,905.60 : 550,546.20 = 255,056.40 : x
  2. Step 2: Convert to fraction form
    367,905.60/550,546.20 = 255,056.40/x
  3. Step 3: Cross multiply
    367,905.60x = 550,546.20 × 255,056.40
  4. Step 4: Simplify right side
    367,905.60x = 140,420,331,805.68
  5. Step 5: Solve for x
    x = 140,420,331,805.68/367,905.60
  6. Step 6: Final answer
    x = 381,674.90

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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.