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Finding the Fourth Proportional to 488,664.36, 674,294.16 and 273,751.56

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Solution

The fourth proportional to 488,664.36, 674,294.16 and 273,751.56 is: 377,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,664.36 : 674,294.16 = 273,751.56 : x
  2. Step 2: Convert to fraction form
    488,664.36/674,294.16 = 273,751.56/x
  3. Step 3: Cross multiply
    488,664.36x = 674,294.16 × 273,751.56
  4. Step 4: Simplify right side
    488,664.36x = 184,589,078,198.89
  5. Step 5: Solve for x
    x = 184,589,078,198.89/488,664.36
  6. Step 6: Final answer
    x = 377,742.05

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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.