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Finding the Fourth Proportional to 351,100.88, 526,730.36 and 111,229.23

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Solution

The fourth proportional to 351,100.88, 526,730.36 and 111,229.23 is: 166,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,100.88 : 526,730.36 = 111,229.23 : x
  2. Step 2: Convert to fraction form
    351,100.88/526,730.36 = 111,229.23/x
  3. Step 3: Cross multiply
    351,100.88x = 526,730.36 × 111,229.23
  4. Step 4: Simplify right side
    351,100.88x = 58,587,811,804.28
  5. Step 5: Solve for x
    x = 58,587,811,804.28/351,100.88
  6. Step 6: Final answer
    x = 166,868.89

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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.