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Finding the Fourth Proportional to 451,759.11, 677,301.65 and 271,802.39

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Solution

The fourth proportional to 451,759.11, 677,301.65 and 271,802.39 is: 407,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,759.11 : 677,301.65 = 271,802.39 : x
  2. Step 2: Convert to fraction form
    451,759.11/677,301.65 = 271,802.39/x
  3. Step 3: Cross multiply
    451,759.11x = 677,301.65 × 271,802.39
  4. Step 4: Simplify right side
    451,759.11x = 184,092,203,494.68
  5. Step 5: Solve for x
    x = 184,092,203,494.68/451,759.11
  6. Step 6: Final answer
    x = 407,500.81

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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.