Home / 396,977.36-595,465.12-172,308.67

Finding the Fourth Proportional to 396,977.36, 595,465.12 and 172,308.67

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Solution

The fourth proportional to 396,977.36, 595,465.12 and 172,308.67 is: 258,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,977.36 : 595,465.12 = 172,308.67 : x
  2. Step 2: Convert to fraction form
    396,977.36/595,465.12 = 172,308.67/x
  3. Step 3: Cross multiply
    396,977.36x = 595,465.12 × 172,308.67
  4. Step 4: Simplify right side
    396,977.36x = 102,603,801,585.31
  5. Step 5: Solve for x
    x = 102,603,801,585.31/396,977.36
  6. Step 6: Final answer
    x = 258,462.61

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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.