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Finding the Fourth Proportional to 340,955.29, 511,414.53 and 104,298

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Solution

The fourth proportional to 340,955.29, 511,414.53 and 104,298 is: 156,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,955.29 : 511,414.53 = 104,298 : x
  2. Step 2: Convert to fraction form
    340,955.29/511,414.53 = 104,298/x
  3. Step 3: Cross multiply
    340,955.29x = 511,414.53 × 104,298
  4. Step 4: Simplify right side
    340,955.29x = 53,339,512,649.94
  5. Step 5: Solve for x
    x = 53,339,512,649.94/340,955.29
  6. Step 6: Final answer
    x = 156,441.37

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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.