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Finding the Fourth Proportional to 446,091.40, 669,072.30 and 130,515.40

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Solution

The fourth proportional to 446,091.40, 669,072.30 and 130,515.40 is: 195,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,091.40 : 669,072.30 = 130,515.40 : x
  2. Step 2: Convert to fraction form
    446,091.40/669,072.30 = 130,515.40/x
  3. Step 3: Cross multiply
    446,091.40x = 669,072.30 × 130,515.40
  4. Step 4: Simplify right side
    446,091.40x = 87,324,238,863.42
  5. Step 5: Solve for x
    x = 87,324,238,863.42/446,091.40
  6. Step 6: Final answer
    x = 195,754.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.