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Finding the Fourth Proportional to 264,788.39, 397,179.13 and 65,110.51

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Solution

The fourth proportional to 264,788.39, 397,179.13 and 65,110.51 is: 97,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,788.39 : 397,179.13 = 65,110.51 : x
  2. Step 2: Convert to fraction form
    264,788.39/397,179.13 = 65,110.51/x
  3. Step 3: Cross multiply
    264,788.39x = 397,179.13 × 65,110.51
  4. Step 4: Simplify right side
    264,788.39x = 25,860,534,559.93
  5. Step 5: Solve for x
    x = 25,860,534,559.93/264,788.39
  6. Step 6: Final answer
    x = 97,664.91

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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.