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Finding the Fourth Proportional to 241,788.96, 362,692.64 and 92,001.28

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Solution

The fourth proportional to 241,788.96, 362,692.64 and 92,001.28 is: 138,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,788.96 : 362,692.64 = 92,001.28 : x
  2. Step 2: Convert to fraction form
    241,788.96/362,692.64 = 92,001.28/x
  3. Step 3: Cross multiply
    241,788.96x = 362,692.64 × 92,001.28
  4. Step 4: Simplify right side
    241,788.96x = 33,368,187,126.58
  5. Step 5: Solve for x
    x = 33,368,187,126.58/241,788.96
  6. Step 6: Final answer
    x = 138,005.42

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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.