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Finding the Fourth Proportional to 223,800.16, 335,749.68 and 74,087.20

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Solution

The fourth proportional to 223,800.16, 335,749.68 and 74,087.20 is: 111,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,800.16 : 335,749.68 = 74,087.20 : x
  2. Step 2: Convert to fraction form
    223,800.16/335,749.68 = 74,087.20/x
  3. Step 3: Cross multiply
    223,800.16x = 335,749.68 × 74,087.20
  4. Step 4: Simplify right side
    223,800.16x = 24,874,753,692.10
  5. Step 5: Solve for x
    x = 24,874,753,692.10/223,800.16
  6. Step 6: Final answer
    x = 111,147.17

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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.