Home / 340,917.72-470,469.60-187,961.31

Finding the Fourth Proportional to 340,917.72, 470,469.60 and 187,961.31

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Solution

The fourth proportional to 340,917.72, 470,469.60 and 187,961.31 is: 259,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,917.72 : 470,469.60 = 187,961.31 : x
  2. Step 2: Convert to fraction form
    340,917.72/470,469.60 = 187,961.31/x
  3. Step 3: Cross multiply
    340,917.72x = 470,469.60 × 187,961.31
  4. Step 4: Simplify right side
    340,917.72x = 88,430,082,331.18
  5. Step 5: Solve for x
    x = 88,430,082,331.18/340,917.72
  6. Step 6: Final answer
    x = 259,388.34

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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.