Home / 377,629.36-521,067.54-216,454.75

Finding the Fourth Proportional to 377,629.36, 521,067.54 and 216,454.75

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Solution

The fourth proportional to 377,629.36, 521,067.54 and 216,454.75 is: 298,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,629.36 : 521,067.54 = 216,454.75 : x
  2. Step 2: Convert to fraction form
    377,629.36/521,067.54 = 216,454.75/x
  3. Step 3: Cross multiply
    377,629.36x = 521,067.54 × 216,454.75
  4. Step 4: Simplify right side
    377,629.36x = 112,787,544,103.82
  5. Step 5: Solve for x
    x = 112,787,544,103.82/377,629.36
  6. Step 6: Final answer
    x = 298,672.60

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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.