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Finding the Fourth Proportional to 224,945.01, 308,771.75 and 198,880.41

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Solution

The fourth proportional to 224,945.01, 308,771.75 and 198,880.41 is: 272,994.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,945.01 : 308,771.75 = 198,880.41 : x
  2. Step 2: Convert to fraction form
    224,945.01/308,771.75 = 198,880.41/x
  3. Step 3: Cross multiply
    224,945.01x = 308,771.75 × 198,880.41
  4. Step 4: Simplify right side
    224,945.01x = 61,408,652,193.86
  5. Step 5: Solve for x
    x = 61,408,652,193.86/224,945.01
  6. Step 6: Final answer
    x = 272,994.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.