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Finding the Fourth Proportional to 336,576.56, 504,733.62 and 126,099.68

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Solution

The fourth proportional to 336,576.56, 504,733.62 and 126,099.68 is: 189,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,576.56 : 504,733.62 = 126,099.68 : x
  2. Step 2: Convert to fraction form
    336,576.56/504,733.62 = 126,099.68/x
  3. Step 3: Cross multiply
    336,576.56x = 504,733.62 × 126,099.68
  4. Step 4: Simplify right side
    336,576.56x = 63,646,747,967.24
  5. Step 5: Solve for x
    x = 63,646,747,967.24/336,576.56
  6. Step 6: Final answer
    x = 189,100.36

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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.