Home / 354,321.03-488,840.36-227,066.79

Finding the Fourth Proportional to 354,321.03, 488,840.36 and 227,066.79

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Solution

The fourth proportional to 354,321.03, 488,840.36 and 227,066.79 is: 313,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,321.03 : 488,840.36 = 227,066.79 : x
  2. Step 2: Convert to fraction form
    354,321.03/488,840.36 = 227,066.79/x
  3. Step 3: Cross multiply
    354,321.03x = 488,840.36 × 227,066.79
  4. Step 4: Simplify right side
    354,321.03x = 110,999,410,232.31
  5. Step 5: Solve for x
    x = 110,999,410,232.31/354,321.03
  6. Step 6: Final answer
    x = 313,273.56

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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.