Home / 396,015.72-594,013.77-115,535.40

Finding the Fourth Proportional to 396,015.72, 594,013.77 and 115,535.40

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Solution

The fourth proportional to 396,015.72, 594,013.77 and 115,535.40 is: 173,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,015.72 : 594,013.77 = 115,535.40 : x
  2. Step 2: Convert to fraction form
    396,015.72/594,013.77 = 115,535.40/x
  3. Step 3: Cross multiply
    396,015.72x = 594,013.77 × 115,535.40
  4. Step 4: Simplify right side
    396,015.72x = 68,629,618,522.46
  5. Step 5: Solve for x
    x = 68,629,618,522.46/396,015.72
  6. Step 6: Final answer
    x = 173,300.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.