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Finding the Fourth Proportional to 79,308.45, 118,961.64 and 19,337.22

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Solution

The fourth proportional to 79,308.45, 118,961.64 and 19,337.22 is: 29,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,308.45 : 118,961.64 = 19,337.22 : x
  2. Step 2: Convert to fraction form
    79,308.45/118,961.64 = 19,337.22/x
  3. Step 3: Cross multiply
    79,308.45x = 118,961.64 × 19,337.22
  4. Step 4: Simplify right side
    79,308.45x = 2,300,387,404.24
  5. Step 5: Solve for x
    x = 2,300,387,404.24/79,308.45
  6. Step 6: Final answer
    x = 29,005.58

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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.