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Finding the Fourth Proportional to 483,466.67, 724,749.25 and 163,394.73

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Solution

The fourth proportional to 483,466.67, 724,749.25 and 163,394.73 is: 244,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,466.67 : 724,749.25 = 163,394.73 : x
  2. Step 2: Convert to fraction form
    483,466.67/724,749.25 = 163,394.73/x
  3. Step 3: Cross multiply
    483,466.67x = 724,749.25 × 163,394.73
  4. Step 4: Simplify right side
    483,466.67x = 118,420,203,989.22
  5. Step 5: Solve for x
    x = 118,420,203,989.22/483,466.67
  6. Step 6: Final answer
    x = 244,939.75

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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.