Home / 347,622.20-521,433.30-110,972.60

Finding the Fourth Proportional to 347,622.20, 521,433.30 and 110,972.60

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Solution

The fourth proportional to 347,622.20, 521,433.30 and 110,972.60 is: 166,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,622.20 : 521,433.30 = 110,972.60 : x
  2. Step 2: Convert to fraction form
    347,622.20/521,433.30 = 110,972.60/x
  3. Step 3: Cross multiply
    347,622.20x = 521,433.30 × 110,972.60
  4. Step 4: Simplify right side
    347,622.20x = 57,864,809,027.58
  5. Step 5: Solve for x
    x = 57,864,809,027.58/347,622.20
  6. Step 6: Final answer
    x = 166,458.90

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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.