Home / 446,540.10-669,896.55-131,007.30

Finding the Fourth Proportional to 446,540.10, 669,896.55 and 131,007.30

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Solution

The fourth proportional to 446,540.10, 669,896.55 and 131,007.30 is: 196,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,540.10 : 669,896.55 = 131,007.30 : x
  2. Step 2: Convert to fraction form
    446,540.10/669,896.55 = 131,007.30/x
  3. Step 3: Cross multiply
    446,540.10x = 669,896.55 × 131,007.30
  4. Step 4: Simplify right side
    446,540.10x = 87,761,338,294.82
  5. Step 5: Solve for x
    x = 87,761,338,294.82/446,540.10
  6. Step 6: Final answer
    x = 196,536.30

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Why These Related Problems?

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