Home / 263,099.05-394,582.89-103,207.48

Finding the Fourth Proportional to 263,099.05, 394,582.89 and 103,207.48

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Solution

The fourth proportional to 263,099.05, 394,582.89 and 103,207.48 is: 154,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,099.05 : 394,582.89 = 103,207.48 : x
  2. Step 2: Convert to fraction form
    263,099.05/394,582.89 = 103,207.48/x
  3. Step 3: Cross multiply
    263,099.05x = 394,582.89 × 103,207.48
  4. Step 4: Simplify right side
    263,099.05x = 40,723,903,755.10
  5. Step 5: Solve for x
    x = 40,723,903,755.10/263,099.05
  6. Step 6: Final answer
    x = 154,785.45

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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.