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Finding the Fourth Proportional to 446,940.60, 670,443.30 and 269,064.60

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Solution

The fourth proportional to 446,940.60, 670,443.30 and 269,064.60 is: 403,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,940.60 : 670,443.30 = 269,064.60 : x
  2. Step 2: Convert to fraction form
    446,940.60/670,443.30 = 269,064.60/x
  3. Step 3: Cross multiply
    446,940.60x = 670,443.30 × 269,064.60
  4. Step 4: Simplify right side
    446,940.60x = 180,392,558,337.18
  5. Step 5: Solve for x
    x = 180,392,558,337.18/446,940.60
  6. Step 6: Final answer
    x = 403,616.41

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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.