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Finding the Fourth Proportional to 262,991.64, 362,842.98 and 160,910.68

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Solution

The fourth proportional to 262,991.64, 362,842.98 and 160,910.68 is: 222,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,991.64 : 362,842.98 = 160,910.68 : x
  2. Step 2: Convert to fraction form
    262,991.64/362,842.98 = 160,910.68/x
  3. Step 3: Cross multiply
    262,991.64x = 362,842.98 × 160,910.68
  4. Step 4: Simplify right side
    262,991.64x = 58,385,310,645.03
  5. Step 5: Solve for x
    x = 58,385,310,645.03/262,991.64
  6. Step 6: Final answer
    x = 222,004.44

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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.