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Finding the Fourth Proportional to 340,801.14, 511,195.68 and 100,913.88

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Solution

The fourth proportional to 340,801.14, 511,195.68 and 100,913.88 is: 151,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,801.14 : 511,195.68 = 100,913.88 : x
  2. Step 2: Convert to fraction form
    340,801.14/511,195.68 = 100,913.88/x
  3. Step 3: Cross multiply
    340,801.14x = 511,195.68 × 100,913.88
  4. Step 4: Simplify right side
    340,801.14x = 51,586,739,508.04
  5. Step 5: Solve for x
    x = 51,586,739,508.04/340,801.14
  6. Step 6: Final answer
    x = 151,369.03

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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.