Home / 446,286.81-669,430.22-130,743.72

Finding the Fourth Proportional to 446,286.81, 669,430.22 and 130,743.72

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Solution

The fourth proportional to 446,286.81, 669,430.22 and 130,743.72 is: 196,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,286.81 : 669,430.22 = 130,743.72 : x
  2. Step 2: Convert to fraction form
    446,286.81/669,430.22 = 130,743.72/x
  3. Step 3: Cross multiply
    446,286.81x = 669,430.22 × 130,743.72
  4. Step 4: Simplify right side
    446,286.81x = 87,523,797,324.93
  5. Step 5: Solve for x
    x = 87,523,797,324.93/446,286.81
  6. Step 6: Final answer
    x = 196,115.58

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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.