Home / 291,743.55-402,451.83-200,943.36

Finding the Fourth Proportional to 291,743.55, 402,451.83 and 200,943.36

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Solution

The fourth proportional to 291,743.55, 402,451.83 and 200,943.36 is: 277,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,743.55 : 402,451.83 = 200,943.36 : x
  2. Step 2: Convert to fraction form
    291,743.55/402,451.83 = 200,943.36/x
  3. Step 3: Cross multiply
    291,743.55x = 402,451.83 × 200,943.36
  4. Step 4: Simplify right side
    291,743.55x = 80,870,022,958.35
  5. Step 5: Solve for x
    x = 80,870,022,958.35/291,743.55
  6. Step 6: Final answer
    x = 277,195.58

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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.