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Finding the Fourth Proportional to 235,008, 324,311.45 and 134,406

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Solution

The fourth proportional to 235,008, 324,311.45 and 134,406 is: 185,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,008 : 324,311.45 = 134,406 : x
  2. Step 2: Convert to fraction form
    235,008/324,311.45 = 134,406/x
  3. Step 3: Cross multiply
    235,008x = 324,311.45 × 134,406
  4. Step 4: Simplify right side
    235,008x = 43,589,404,748.70
  5. Step 5: Solve for x
    x = 43,589,404,748.70/235,008
  6. Step 6: Final answer
    x = 185,480.51

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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.