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Finding the Fourth Proportional to 445,847.89, 667,630.05 and 245,946.10

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Solution

The fourth proportional to 445,847.89, 667,630.05 and 245,946.10 is: 368,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,847.89 : 667,630.05 = 245,946.10 : x
  2. Step 2: Convert to fraction form
    445,847.89/667,630.05 = 245,946.10/x
  3. Step 3: Cross multiply
    445,847.89x = 667,630.05 × 245,946.10
  4. Step 4: Simplify right side
    445,847.89x = 164,201,007,040.31
  5. Step 5: Solve for x
    x = 164,201,007,040.31/445,847.89
  6. Step 6: Final answer
    x = 368,289.30

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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.