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Finding the Fourth Proportional to 291,770.30, 437,550.12 and 123,303.64

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Solution

The fourth proportional to 291,770.30, 437,550.12 and 123,303.64 is: 184,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,770.30 : 437,550.12 = 123,303.64 : x
  2. Step 2: Convert to fraction form
    291,770.30/437,550.12 = 123,303.64/x
  3. Step 3: Cross multiply
    291,770.30x = 437,550.12 × 123,303.64
  4. Step 4: Simplify right side
    291,770.30x = 53,951,522,478.44
  5. Step 5: Solve for x
    x = 53,951,522,478.44/291,770.30
  6. Step 6: Final answer
    x = 184,910.95

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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.