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Finding the Fourth Proportional to 184,492.80, 276,739.20 and 166,413.60

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Solution

The fourth proportional to 184,492.80, 276,739.20 and 166,413.60 is: 249,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,492.80 : 276,739.20 = 166,413.60 : x
  2. Step 2: Convert to fraction form
    184,492.80/276,739.20 = 166,413.60/x
  3. Step 3: Cross multiply
    184,492.80x = 276,739.20 × 166,413.60
  4. Step 4: Simplify right side
    184,492.80x = 46,053,166,533.12
  5. Step 5: Solve for x
    x = 46,053,166,533.12/184,492.80
  6. Step 6: Final answer
    x = 249,620.40

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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.