Home / 340,786.76-511,272.16-104,123

Finding the Fourth Proportional to 340,786.76, 511,272.16 and 104,123

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Solution

The fourth proportional to 340,786.76, 511,272.16 and 104,123 is: 156,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,786.76 : 511,272.16 = 104,123 : x
  2. Step 2: Convert to fraction form
    340,786.76/511,272.16 = 104,123/x
  3. Step 3: Cross multiply
    340,786.76x = 511,272.16 × 104,123
  4. Step 4: Simplify right side
    340,786.76x = 53,235,191,115.68
  5. Step 5: Solve for x
    x = 53,235,191,115.68/340,786.76
  6. Step 6: Final answer
    x = 156,212.62

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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.