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Finding the Fourth Proportional to 184,069.20, 276,103.80 and 149,077.20

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Solution

The fourth proportional to 184,069.20, 276,103.80 and 149,077.20 is: 223,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,069.20 : 276,103.80 = 149,077.20 : x
  2. Step 2: Convert to fraction form
    184,069.20/276,103.80 = 149,077.20/x
  3. Step 3: Cross multiply
    184,069.20x = 276,103.80 × 149,077.20
  4. Step 4: Simplify right side
    184,069.20x = 41,160,781,413.36
  5. Step 5: Solve for x
    x = 41,160,781,413.36/184,069.20
  6. Step 6: Final answer
    x = 223,615.80

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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.