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Finding the Fourth Proportional to 359,778.42, 496,494.98 and 198,633.78

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Solution

The fourth proportional to 359,778.42, 496,494.98 and 198,633.78 is: 274,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,778.42 : 496,494.98 = 198,633.78 : x
  2. Step 2: Convert to fraction form
    359,778.42/496,494.98 = 198,633.78/x
  3. Step 3: Cross multiply
    359,778.42x = 496,494.98 × 198,633.78
  4. Step 4: Simplify right side
    359,778.42x = 98,620,673,635.26
  5. Step 5: Solve for x
    x = 98,620,673,635.26/359,778.42
  6. Step 6: Final answer
    x = 274,115.03

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1.5x scale

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.