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Finding the Fourth Proportional to 635,429.72, 952,942.66 and 208,867.12

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Solution

The fourth proportional to 635,429.72, 952,942.66 and 208,867.12 is: 313,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,429.72 : 952,942.66 = 208,867.12 : x
  2. Step 2: Convert to fraction form
    635,429.72/952,942.66 = 208,867.12/x
  3. Step 3: Cross multiply
    635,429.72x = 952,942.66 × 208,867.12
  4. Step 4: Simplify right side
    635,429.72x = 199,038,388,919.34
  5. Step 5: Solve for x
    x = 199,038,388,919.34/635,429.72
  6. Step 6: Final answer
    x = 313,234.31

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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.