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Finding the Fourth Proportional to 344,673.60, 517,083.12 and 173,992.56

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Solution

The fourth proportional to 344,673.60, 517,083.12 and 173,992.56 is: 261,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,673.60 : 517,083.12 = 173,992.56 : x
  2. Step 2: Convert to fraction form
    344,673.60/517,083.12 = 173,992.56/x
  3. Step 3: Cross multiply
    344,673.60x = 517,083.12 × 173,992.56
  4. Step 4: Simplify right side
    344,673.60x = 89,968,615,781.59
  5. Step 5: Solve for x
    x = 89,968,615,781.59/344,673.60
  6. Step 6: Final answer
    x = 261,025.55

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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.