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Finding the Fourth Proportional to 488,193.01, 673,698.83 and 273,340.77

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Solution

The fourth proportional to 488,193.01, 673,698.83 and 273,340.77 is: 377,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,193.01 : 673,698.83 = 273,340.77 : x
  2. Step 2: Convert to fraction form
    488,193.01/673,698.83 = 273,340.77/x
  3. Step 3: Cross multiply
    488,193.01x = 673,698.83 × 273,340.77
  4. Step 4: Simplify right side
    488,193.01x = 184,149,356,940.30
  5. Step 5: Solve for x
    x = 184,149,356,940.30/488,193.01
  6. Step 6: Final answer
    x = 377,206.05

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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.