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Finding the Fourth Proportional to 359,679.59, 496,357.86 and 198,534.68

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Solution

The fourth proportional to 359,679.59, 496,357.86 and 198,534.68 is: 273,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,679.59 : 496,357.86 = 198,534.68 : x
  2. Step 2: Convert to fraction form
    359,679.59/496,357.86 = 198,534.68/x
  3. Step 3: Cross multiply
    359,679.59x = 496,357.86 × 198,534.68
  4. Step 4: Simplify right side
    359,679.59x = 98,544,245,426.12
  5. Step 5: Solve for x
    x = 98,544,245,426.12/359,679.59
  6. Step 6: Final answer
    x = 273,977.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.