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Finding the Fourth Proportional to 298,105.80, 411,364.83 and 162,136.98

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Solution

The fourth proportional to 298,105.80, 411,364.83 and 162,136.98 is: 223,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,105.80 : 411,364.83 = 162,136.98 : x
  2. Step 2: Convert to fraction form
    298,105.80/411,364.83 = 162,136.98/x
  3. Step 3: Cross multiply
    298,105.80x = 411,364.83 × 162,136.98
  4. Step 4: Simplify right side
    298,105.80x = 66,697,451,214.41
  5. Step 5: Solve for x
    x = 66,697,451,214.41/298,105.80
  6. Step 6: Final answer
    x = 223,737.52

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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.