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Finding the Fourth Proportional to 366,830.70, 513,912.90 and 366,830.70

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Solution

The fourth proportional to 366,830.70, 513,912.90 and 366,830.70 is: 513,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,830.70 : 513,912.90 = 366,830.70 : x
  2. Step 2: Convert to fraction form
    366,830.70/513,912.90 = 366,830.70/x
  3. Step 3: Cross multiply
    366,830.70x = 513,912.90 × 366,830.70
  4. Step 4: Simplify right side
    366,830.70x = 188,519,028,846.03
  5. Step 5: Solve for x
    x = 188,519,028,846.03/366,830.70
  6. Step 6: Final answer
    x = 513,912.90

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.