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Finding the Fourth Proportional to 245,093.60, 367,640.40 and 205,727.60

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Solution

The fourth proportional to 245,093.60, 367,640.40 and 205,727.60 is: 308,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,093.60 : 367,640.40 = 205,727.60 : x
  2. Step 2: Convert to fraction form
    245,093.60/367,640.40 = 205,727.60/x
  3. Step 3: Cross multiply
    245,093.60x = 367,640.40 × 205,727.60
  4. Step 4: Simplify right side
    245,093.60x = 75,633,777,155.04
  5. Step 5: Solve for x
    x = 75,633,777,155.04/245,093.60
  6. Step 6: Final answer
    x = 308,591.40

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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.