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Finding the Fourth Proportional to 347,900.70, 521,851.05 and 111,251.10

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Solution

The fourth proportional to 347,900.70, 521,851.05 and 111,251.10 is: 166,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,900.70 : 521,851.05 = 111,251.10 : x
  2. Step 2: Convert to fraction form
    347,900.70/521,851.05 = 111,251.10/x
  3. Step 3: Cross multiply
    347,900.70x = 521,851.05 × 111,251.10
  4. Step 4: Simplify right side
    347,900.70x = 58,056,503,348.66
  5. Step 5: Solve for x
    x = 58,056,503,348.66/347,900.70
  6. Step 6: Final answer
    x = 166,876.65

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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.