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Finding the Fourth Proportional to 501,578.86, 751,788.60 and 231,141.64

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Solution

The fourth proportional to 501,578.86, 751,788.60 and 231,141.64 is: 346,445.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,578.86 : 751,788.60 = 231,141.64 : x
  2. Step 2: Convert to fraction form
    501,578.86/751,788.60 = 231,141.64/x
  3. Step 3: Cross multiply
    501,578.86x = 751,788.60 × 231,141.64
  4. Step 4: Simplify right side
    501,578.86x = 173,769,649,937.30
  5. Step 5: Solve for x
    x = 173,769,649,937.30/501,578.86
  6. Step 6: Final answer
    x = 346,445.32

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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.