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Finding the Fourth Proportional to 274,493.33, 378,800.73 and 153,634.62

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Solution

The fourth proportional to 274,493.33, 378,800.73 and 153,634.62 is: 212,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,493.33 : 378,800.73 = 153,634.62 : x
  2. Step 2: Convert to fraction form
    274,493.33/378,800.73 = 153,634.62/x
  3. Step 3: Cross multiply
    274,493.33x = 378,800.73 × 153,634.62
  4. Step 4: Simplify right side
    274,493.33x = 58,196,907,197.68
  5. Step 5: Solve for x
    x = 58,196,907,197.68/274,493.33
  6. Step 6: Final answer
    x = 212,015.74

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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.