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Finding the Fourth Proportional to 422,463.79, 633,724.85 and 122,946.85

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Solution

The fourth proportional to 422,463.79, 633,724.85 and 122,946.85 is: 184,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,463.79 : 633,724.85 = 122,946.85 : x
  2. Step 2: Convert to fraction form
    422,463.79/633,724.85 = 122,946.85/x
  3. Step 3: Cross multiply
    422,463.79x = 633,724.85 × 122,946.85
  4. Step 4: Simplify right side
    422,463.79x = 77,914,474,074.22
  5. Step 5: Solve for x
    x = 77,914,474,074.22/422,463.79
  6. Step 6: Final answer
    x = 184,428.76

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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.