Home / 351,397.56-484,891.41-198,426.50

Finding the Fourth Proportional to 351,397.56, 484,891.41 and 198,426.50

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Solution

The fourth proportional to 351,397.56, 484,891.41 and 198,426.50 is: 273,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,397.56 : 484,891.41 = 198,426.50 : x
  2. Step 2: Convert to fraction form
    351,397.56/484,891.41 = 198,426.50/x
  3. Step 3: Cross multiply
    351,397.56x = 484,891.41 × 198,426.50
  4. Step 4: Simplify right side
    351,397.56x = 96,215,305,366.37
  5. Step 5: Solve for x
    x = 96,215,305,366.37/351,397.56
  6. Step 6: Final answer
    x = 273,807.55

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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.