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Finding the Fourth Proportional to 490,303.37, 735,033.79 and 170,413.68

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Solution

The fourth proportional to 490,303.37, 735,033.79 and 170,413.68 is: 255,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,303.37 : 735,033.79 = 170,413.68 : x
  2. Step 2: Convert to fraction form
    490,303.37/735,033.79 = 170,413.68/x
  3. Step 3: Cross multiply
    490,303.37x = 735,033.79 × 170,413.68
  4. Step 4: Simplify right side
    490,303.37x = 125,259,813,078.25
  5. Step 5: Solve for x
    x = 125,259,813,078.25/490,303.37
  6. Step 6: Final answer
    x = 255,474.10

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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.