Home / 281,619.38-422,582.81-119,488.43

Finding the Fourth Proportional to 281,619.38, 422,582.81 and 119,488.43

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Solution

The fourth proportional to 281,619.38, 422,582.81 and 119,488.43 is: 179,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,619.38 : 422,582.81 = 119,488.43 : x
  2. Step 2: Convert to fraction form
    281,619.38/422,582.81 = 119,488.43/x
  3. Step 3: Cross multiply
    281,619.38x = 422,582.81 × 119,488.43
  4. Step 4: Simplify right side
    281,619.38x = 50,493,756,970.90
  5. Step 5: Solve for x
    x = 50,493,756,970.90/281,619.38
  6. Step 6: Final answer
    x = 179,297.88

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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.