Home / 379,103.46-568,465.03-126,295.06

Finding the Fourth Proportional to 379,103.46, 568,465.03 and 126,295.06

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Solution

The fourth proportional to 379,103.46, 568,465.03 and 126,295.06 is: 189,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,103.46 : 568,465.03 = 126,295.06 : x
  2. Step 2: Convert to fraction form
    379,103.46/568,465.03 = 126,295.06/x
  3. Step 3: Cross multiply
    379,103.46x = 568,465.03 × 126,295.06
  4. Step 4: Simplify right side
    379,103.46x = 71,794,325,071.75
  5. Step 5: Solve for x
    x = 71,794,325,071.75/379,103.46
  6. Step 6: Final answer
    x = 189,379.24

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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.