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Finding the Fourth Proportional to 313,860, 470,794.32 and 173,892

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Solution

The fourth proportional to 313,860, 470,794.32 and 173,892 is: 260,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,860 : 470,794.32 = 173,892 : x
  2. Step 2: Convert to fraction form
    313,860/470,794.32 = 173,892/x
  3. Step 3: Cross multiply
    313,860x = 470,794.32 × 173,892
  4. Step 4: Simplify right side
    313,860x = 81,867,365,893.44
  5. Step 5: Solve for x
    x = 81,867,365,893.44/313,860
  6. Step 6: Final answer
    x = 260,840.39

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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.