Home / 446,912.21-616,750.78-242,976.85

Finding the Fourth Proportional to 446,912.21, 616,750.78 and 242,976.85

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Solution

The fourth proportional to 446,912.21, 616,750.78 and 242,976.85 is: 335,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,912.21 : 616,750.78 = 242,976.85 : x
  2. Step 2: Convert to fraction form
    446,912.21/616,750.78 = 242,976.85/x
  3. Step 3: Cross multiply
    446,912.21x = 616,750.78 × 242,976.85
  4. Step 4: Simplify right side
    446,912.21x = 149,856,163,350.99
  5. Step 5: Solve for x
    x = 149,856,163,350.99/446,912.21
  6. Step 6: Final answer
    x = 335,314.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.