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Finding the Fourth Proportional to 303,496.88, 455,267.39 and 116,508.38

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Solution

The fourth proportional to 303,496.88, 455,267.39 and 116,508.38 is: 174,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,496.88 : 455,267.39 = 116,508.38 : x
  2. Step 2: Convert to fraction form
    303,496.88/455,267.39 = 116,508.38/x
  3. Step 3: Cross multiply
    303,496.88x = 455,267.39 × 116,508.38
  4. Step 4: Simplify right side
    303,496.88x = 53,042,463,216.85
  5. Step 5: Solve for x
    x = 53,042,463,216.85/303,496.88
  6. Step 6: Final answer
    x = 174,771.04

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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.