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Finding the Fourth Proportional to 200,508.63, 300,673.04 and 119,493.91

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Solution

The fourth proportional to 200,508.63, 300,673.04 and 119,493.91 is: 179,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,508.63 : 300,673.04 = 119,493.91 : x
  2. Step 2: Convert to fraction form
    200,508.63/300,673.04 = 119,493.91/x
  3. Step 3: Cross multiply
    200,508.63x = 300,673.04 × 119,493.91
  4. Step 4: Simplify right side
    200,508.63x = 35,928,596,583.72
  5. Step 5: Solve for x
    x = 35,928,596,583.72/200,508.63
  6. Step 6: Final answer
    x = 179,187.28

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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.