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Finding the Fourth Proportional to 297,627.60, 445,404.60 and 204,315.60

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Solution

The fourth proportional to 297,627.60, 445,404.60 and 204,315.60 is: 305,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,627.60 : 445,404.60 = 204,315.60 : x
  2. Step 2: Convert to fraction form
    297,627.60/445,404.60 = 204,315.60/x
  3. Step 3: Cross multiply
    297,627.60x = 445,404.60 × 204,315.60
  4. Step 4: Simplify right side
    297,627.60x = 91,003,108,091.76
  5. Step 5: Solve for x
    x = 91,003,108,091.76/297,627.60
  6. Step 6: Final answer
    x = 305,761.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.