Home / 340,663.20-470,125.87-195,495.54

Finding the Fourth Proportional to 340,663.20, 470,125.87 and 195,495.54

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Solution

The fourth proportional to 340,663.20, 470,125.87 and 195,495.54 is: 269,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,663.20 : 470,125.87 = 195,495.54 : x
  2. Step 2: Convert to fraction form
    340,663.20/470,125.87 = 195,495.54/x
  3. Step 3: Cross multiply
    340,663.20x = 470,125.87 × 195,495.54
  4. Step 4: Simplify right side
    340,663.20x = 91,907,510,334.88
  5. Step 5: Solve for x
    x = 91,907,510,334.88/340,663.20
  6. Step 6: Final answer
    x = 269,789.96

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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.