Home / 381,556.40-526,397.99-228,601.04

Finding the Fourth Proportional to 381,556.40, 526,397.99 and 228,601.04

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Solution

The fourth proportional to 381,556.40, 526,397.99 and 228,601.04 is: 315,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,556.40 : 526,397.99 = 228,601.04 : x
  2. Step 2: Convert to fraction form
    381,556.40/526,397.99 = 228,601.04/x
  3. Step 3: Cross multiply
    381,556.40x = 526,397.99 × 228,601.04
  4. Step 4: Simplify right side
    381,556.40x = 120,335,125,478.80
  5. Step 5: Solve for x
    x = 120,335,125,478.80/381,556.40
  6. Step 6: Final answer
    x = 315,379.66

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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.