Home / 274,198.64-378,308.04-153,323.60

Finding the Fourth Proportional to 274,198.64, 378,308.04 and 153,323.60

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Solution

The fourth proportional to 274,198.64, 378,308.04 and 153,323.60 is: 211,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,198.64 : 378,308.04 = 153,323.60 : x
  2. Step 2: Convert to fraction form
    274,198.64/378,308.04 = 153,323.60/x
  3. Step 3: Cross multiply
    274,198.64x = 378,308.04 × 153,323.60
  4. Step 4: Simplify right side
    274,198.64x = 58,003,550,601.74
  5. Step 5: Solve for x
    x = 58,003,550,601.74/274,198.64
  6. Step 6: Final answer
    x = 211,538.43

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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.