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Finding the Fourth Proportional to 223,633.39, 335,421.77 and 73,836.94

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Solution

The fourth proportional to 223,633.39, 335,421.77 and 73,836.94 is: 110,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,633.39 : 335,421.77 = 73,836.94 : x
  2. Step 2: Convert to fraction form
    223,633.39/335,421.77 = 73,836.94/x
  3. Step 3: Cross multiply
    223,633.39x = 335,421.77 × 73,836.94
  4. Step 4: Simplify right side
    223,633.39x = 24,766,517,106.18
  5. Step 5: Solve for x
    x = 24,766,517,106.18/223,633.39
  6. Step 6: Final answer
    x = 110,746.06

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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.