Home / 340,964.38-511,467.05-104,309.11

Finding the Fourth Proportional to 340,964.38, 511,467.05 and 104,309.11

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Solution

The fourth proportional to 340,964.38, 511,467.05 and 104,309.11 is: 156,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,964.38 : 511,467.05 = 104,309.11 : x
  2. Step 2: Convert to fraction form
    340,964.38/511,467.05 = 104,309.11/x
  3. Step 3: Cross multiply
    340,964.38x = 511,467.05 × 104,309.11
  4. Step 4: Simplify right side
    340,964.38x = 53,350,671,761.93
  5. Step 5: Solve for x
    x = 53,350,671,761.93/340,964.38
  6. Step 6: Final answer
    x = 156,469.93

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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.