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Finding the Fourth Proportional to 324,466.60, 447,772.94 and 179,281.74

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Solution

The fourth proportional to 324,466.60, 447,772.94 and 179,281.74 is: 247,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,466.60 : 447,772.94 = 179,281.74 : x
  2. Step 2: Convert to fraction form
    324,466.60/447,772.94 = 179,281.74/x
  3. Step 3: Cross multiply
    324,466.60x = 447,772.94 × 179,281.74
  4. Step 4: Simplify right side
    324,466.60x = 80,277,511,808.12
  5. Step 5: Solve for x
    x = 80,277,511,808.12/324,466.60
  6. Step 6: Final answer
    x = 247,413.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.