Home / 361,845.10-499,325.88-200,688.58

Finding the Fourth Proportional to 361,845.10, 499,325.88 and 200,688.58

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Solution

The fourth proportional to 361,845.10, 499,325.88 and 200,688.58 is: 276,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,845.10 : 499,325.88 = 200,688.58 : x
  2. Step 2: Convert to fraction form
    361,845.10/499,325.88 = 200,688.58/x
  3. Step 3: Cross multiply
    361,845.10x = 499,325.88 × 200,688.58
  4. Step 4: Simplify right side
    361,845.10x = 100,209,001,814.45
  5. Step 5: Solve for x
    x = 100,209,001,814.45/361,845.10
  6. Step 6: Final answer
    x = 276,938.95

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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.