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Finding the Fourth Proportional to 340,773.73, 511,165.89 and 100,911.89

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Solution

The fourth proportional to 340,773.73, 511,165.89 and 100,911.89 is: 151,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,773.73 : 511,165.89 = 100,911.89 : x
  2. Step 2: Convert to fraction form
    340,773.73/511,165.89 = 100,911.89/x
  3. Step 3: Cross multiply
    340,773.73x = 511,165.89 × 100,911.89
  4. Step 4: Simplify right side
    340,773.73x = 51,582,714,865.57
  5. Step 5: Solve for x
    x = 51,582,714,865.57/340,773.73
  6. Step 6: Final answer
    x = 151,369.40

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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.