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Finding the Fourth Proportional to 344,848.66, 517,273.28 and 164,891.75

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Solution

The fourth proportional to 344,848.66, 517,273.28 and 164,891.75 is: 247,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,848.66 : 517,273.28 = 164,891.75 : x
  2. Step 2: Convert to fraction form
    344,848.66/517,273.28 = 164,891.75/x
  3. Step 3: Cross multiply
    344,848.66x = 517,273.28 × 164,891.75
  4. Step 4: Simplify right side
    344,848.66x = 85,294,093,781.07
  5. Step 5: Solve for x
    x = 85,294,093,781.07/344,848.66
  6. Step 6: Final answer
    x = 247,337.76

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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.