Home / 274,660.55-379,069.95-198,426.27

Finding the Fourth Proportional to 274,660.55, 379,069.95 and 198,426.27

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Solution

The fourth proportional to 274,660.55, 379,069.95 and 198,426.27 is: 273,855.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,660.55 : 379,069.95 = 198,426.27 : x
  2. Step 2: Convert to fraction form
    274,660.55/379,069.95 = 198,426.27/x
  3. Step 3: Cross multiply
    274,660.55x = 379,069.95 × 198,426.27
  4. Step 4: Simplify right side
    274,660.55x = 75,217,436,247.59
  5. Step 5: Solve for x
    x = 75,217,436,247.59/274,660.55
  6. Step 6: Final answer
    x = 273,855.99

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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.