Home / 361,928.69-499,462.18-200,783.75

Finding the Fourth Proportional to 361,928.69, 499,462.18 and 200,783.75

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Solution

The fourth proportional to 361,928.69, 499,462.18 and 200,783.75 is: 277,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,928.69 : 499,462.18 = 200,783.75 : x
  2. Step 2: Convert to fraction form
    361,928.69/499,462.18 = 200,783.75/x
  3. Step 3: Cross multiply
    361,928.69x = 499,462.18 × 200,783.75
  4. Step 4: Simplify right side
    361,928.69x = 100,283,889,483.58
  5. Step 5: Solve for x
    x = 100,283,889,483.58/361,928.69
  6. Step 6: Final answer
    x = 277,081.90

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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.