Home / 313,484.85-469,905.57-123,868.44

Finding the Fourth Proportional to 313,484.85, 469,905.57 and 123,868.44

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Solution

The fourth proportional to 313,484.85, 469,905.57 and 123,868.44 is: 185,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,484.85 : 469,905.57 = 123,868.44 : x
  2. Step 2: Convert to fraction form
    313,484.85/469,905.57 = 123,868.44/x
  3. Step 3: Cross multiply
    313,484.85x = 469,905.57 × 123,868.44
  4. Step 4: Simplify right side
    313,484.85x = 58,206,469,903.21
  5. Step 5: Solve for x
    x = 58,206,469,903.21/313,484.85
  6. Step 6: Final answer
    x = 185,675.54

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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.