Home / 361,438.11-498,785.76-200,295.81

Finding the Fourth Proportional to 361,438.11, 498,785.76 and 200,295.81

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Solution

The fourth proportional to 361,438.11, 498,785.76 and 200,295.81 is: 276,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,438.11 : 498,785.76 = 200,295.81 : x
  2. Step 2: Convert to fraction form
    361,438.11/498,785.76 = 200,295.81/x
  3. Step 3: Cross multiply
    361,438.11x = 498,785.76 × 200,295.81
  4. Step 4: Simplify right side
    361,438.11x = 99,904,697,815.67
  5. Step 5: Solve for x
    x = 99,904,697,815.67/361,438.11
  6. Step 6: Final answer
    x = 276,408.87

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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.