Home / 474,622.20-711,933.30-142,198.20

Finding the Fourth Proportional to 474,622.20, 711,933.30 and 142,198.20

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Solution

The fourth proportional to 474,622.20, 711,933.30 and 142,198.20 is: 213,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,622.20 : 711,933.30 = 142,198.20 : x
  2. Step 2: Convert to fraction form
    474,622.20/711,933.30 = 142,198.20/x
  3. Step 3: Cross multiply
    474,622.20x = 711,933.30 × 142,198.20
  4. Step 4: Simplify right side
    474,622.20x = 101,235,633,780.06
  5. Step 5: Solve for x
    x = 101,235,633,780.06/474,622.20
  6. Step 6: Final answer
    x = 213,297.30

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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.