Home / 465,007.16-641,633.40-273,994.58

Finding the Fourth Proportional to 465,007.16, 641,633.40 and 273,994.58

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Solution

The fourth proportional to 465,007.16, 641,633.40 and 273,994.58 is: 378,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,007.16 : 641,633.40 = 273,994.58 : x
  2. Step 2: Convert to fraction form
    465,007.16/641,633.40 = 273,994.58/x
  3. Step 3: Cross multiply
    465,007.16x = 641,633.40 × 273,994.58
  4. Step 4: Simplify right side
    465,007.16x = 175,804,073,946.97
  5. Step 5: Solve for x
    x = 175,804,073,946.97/465,007.16
  6. Step 6: Final answer
    x = 378,067.46

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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.