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Finding the Fourth Proportional to 224,187.75, 309,354.39 and 133,531.34

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Solution

The fourth proportional to 224,187.75, 309,354.39 and 133,531.34 is: 184,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,187.75 : 309,354.39 = 133,531.34 : x
  2. Step 2: Convert to fraction form
    224,187.75/309,354.39 = 133,531.34/x
  3. Step 3: Cross multiply
    224,187.75x = 309,354.39 × 133,531.34
  4. Step 4: Simplify right side
    224,187.75x = 41,308,504,684.81
  5. Step 5: Solve for x
    x = 41,308,504,684.81/224,187.75
  6. Step 6: Final answer
    x = 184,258.53

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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.