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Finding the Fourth Proportional to 247,058.03, 340,940.31 and 133,880.78

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Solution

The fourth proportional to 247,058.03, 340,940.31 and 133,880.78 is: 184,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,058.03 : 340,940.31 = 133,880.78 : x
  2. Step 2: Convert to fraction form
    247,058.03/340,940.31 = 133,880.78/x
  3. Step 3: Cross multiply
    247,058.03x = 340,940.31 × 133,880.78
  4. Step 4: Simplify right side
    247,058.03x = 45,645,354,986.54
  5. Step 5: Solve for x
    x = 45,645,354,986.54/247,058.03
  6. Step 6: Final answer
    x = 184,755.60

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1.5x scale

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.