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Finding the Fourth Proportional to 359,742, 496,451.88 and 198,596.64

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Solution

The fourth proportional to 359,742, 496,451.88 and 198,596.64 is: 274,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,742 : 496,451.88 = 198,596.64 : x
  2. Step 2: Convert to fraction form
    359,742/496,451.88 = 198,596.64/x
  3. Step 3: Cross multiply
    359,742x = 496,451.88 × 198,596.64
  4. Step 4: Simplify right side
    359,742x = 98,593,675,289.68
  5. Step 5: Solve for x
    x = 98,593,675,289.68/359,742
  6. Step 6: Final answer
    x = 274,067.74

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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.