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Finding the Fourth Proportional to 488,250.88, 673,805.46 and 273,389.02

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Solution

The fourth proportional to 488,250.88, 673,805.46 and 273,389.02 is: 377,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,250.88 : 673,805.46 = 273,389.02 : x
  2. Step 2: Convert to fraction form
    488,250.88/673,805.46 = 273,389.02/x
  3. Step 3: Cross multiply
    488,250.88x = 673,805.46 × 273,389.02
  4. Step 4: Simplify right side
    488,250.88x = 184,211,014,380.05
  5. Step 5: Solve for x
    x = 184,211,014,380.05/488,250.88
  6. Step 6: Final answer
    x = 377,287.62

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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.