Home / 361,928.86-499,421.30-200,743.52

Finding the Fourth Proportional to 361,928.86, 499,421.30 and 200,743.52

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Solution

The fourth proportional to 361,928.86, 499,421.30 and 200,743.52 is: 277,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,928.86 : 499,421.30 = 200,743.52 : x
  2. Step 2: Convert to fraction form
    361,928.86/499,421.30 = 200,743.52/x
  3. Step 3: Cross multiply
    361,928.86x = 499,421.30 × 200,743.52
  4. Step 4: Simplify right side
    361,928.86x = 100,255,586,224.15
  5. Step 5: Solve for x
    x = 100,255,586,224.15/361,928.86
  6. Step 6: Final answer
    x = 277,003.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.