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Finding the Fourth Proportional to 336,043.12, 504,010.01 and 136,355.44

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Solution

The fourth proportional to 336,043.12, 504,010.01 and 136,355.44 is: 204,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,043.12 : 504,010.01 = 136,355.44 : x
  2. Step 2: Convert to fraction form
    336,043.12/504,010.01 = 136,355.44/x
  3. Step 3: Cross multiply
    336,043.12x = 504,010.01 × 136,355.44
  4. Step 4: Simplify right side
    336,043.12x = 68,724,505,996.18
  5. Step 5: Solve for x
    x = 68,724,505,996.18/336,043.12
  6. Step 6: Final answer
    x = 204,510.97

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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.