Home / 344,022.75-474,821.25-198,834.70

Finding the Fourth Proportional to 344,022.75, 474,821.25 and 198,834.70

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Solution

The fourth proportional to 344,022.75, 474,821.25 and 198,834.70 is: 274,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,022.75 : 474,821.25 = 198,834.70 : x
  2. Step 2: Convert to fraction form
    344,022.75/474,821.25 = 198,834.70/x
  3. Step 3: Cross multiply
    344,022.75x = 474,821.25 × 198,834.70
  4. Step 4: Simplify right side
    344,022.75x = 94,410,940,797.38
  5. Step 5: Solve for x
    x = 94,410,940,797.38/344,022.75
  6. Step 6: Final answer
    x = 274,432.26

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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.