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Finding the Fourth Proportional to 359,630.60, 496,287.77 and 198,485.64

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Solution

The fourth proportional to 359,630.60, 496,287.77 and 198,485.64 is: 273,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,630.60 : 496,287.77 = 198,485.64 : x
  2. Step 2: Convert to fraction form
    359,630.60/496,287.77 = 198,485.64/x
  3. Step 3: Cross multiply
    359,630.60x = 496,287.77 × 198,485.64
  4. Step 4: Simplify right side
    359,630.60x = 98,505,995,652.62
  5. Step 5: Solve for x
    x = 98,505,995,652.62/359,630.60
  6. Step 6: Final answer
    x = 273,908.83

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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.