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Finding the Fourth Proportional to 184,674.20, 276,930.30 and 84,801.20

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Solution

The fourth proportional to 184,674.20, 276,930.30 and 84,801.20 is: 127,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,674.20 : 276,930.30 = 84,801.20 : x
  2. Step 2: Convert to fraction form
    184,674.20/276,930.30 = 84,801.20/x
  3. Step 3: Cross multiply
    184,674.20x = 276,930.30 × 84,801.20
  4. Step 4: Simplify right side
    184,674.20x = 23,484,021,756.36
  5. Step 5: Solve for x
    x = 23,484,021,756.36/184,674.20
  6. Step 6: Final answer
    x = 127,164.61

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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.