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Finding the Fourth Proportional to 224,548.80, 309,771.76 and 133,853.12

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Solution

The fourth proportional to 224,548.80, 309,771.76 and 133,853.12 is: 184,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,548.80 : 309,771.76 = 133,853.12 : x
  2. Step 2: Convert to fraction form
    224,548.80/309,771.76 = 133,853.12/x
  3. Step 3: Cross multiply
    224,548.80x = 309,771.76 × 133,853.12
  4. Step 4: Simplify right side
    224,548.80x = 41,463,916,563.89
  5. Step 5: Solve for x
    x = 41,463,916,563.89/224,548.80
  6. Step 6: Final answer
    x = 184,654.37

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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.