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Finding the Fourth Proportional to 184,413.20, 276,619.80 and 181,648.40

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Solution

The fourth proportional to 184,413.20, 276,619.80 and 181,648.40 is: 272,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,413.20 : 276,619.80 = 181,648.40 : x
  2. Step 2: Convert to fraction form
    184,413.20/276,619.80 = 181,648.40/x
  3. Step 3: Cross multiply
    184,413.20x = 276,619.80 × 181,648.40
  4. Step 4: Simplify right side
    184,413.20x = 50,247,544,078.32
  5. Step 5: Solve for x
    x = 50,247,544,078.32/184,413.20
  6. Step 6: Final answer
    x = 272,472.60

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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.