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Finding the Fourth Proportional to 199,495, 275,308.86 and 110,076.76

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Solution

The fourth proportional to 199,495, 275,308.86 and 110,076.76 is: 151,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,495 : 275,308.86 = 110,076.76 : x
  2. Step 2: Convert to fraction form
    199,495/275,308.86 = 110,076.76/x
  3. Step 3: Cross multiply
    199,495x = 275,308.86 × 110,076.76
  4. Step 4: Simplify right side
    199,495x = 30,305,107,308.09
  5. Step 5: Solve for x
    x = 30,305,107,308.09/199,495
  6. Step 6: Final answer
    x = 151,909.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.