Home / 283,622.20-425,433.30-143,362.60

Finding the Fourth Proportional to 283,622.20, 425,433.30 and 143,362.60

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Solution

The fourth proportional to 283,622.20, 425,433.30 and 143,362.60 is: 215,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,622.20 : 425,433.30 = 143,362.60 : x
  2. Step 2: Convert to fraction form
    283,622.20/425,433.30 = 143,362.60/x
  3. Step 3: Cross multiply
    283,622.20x = 425,433.30 × 143,362.60
  4. Step 4: Simplify right side
    283,622.20x = 60,991,224,014.58
  5. Step 5: Solve for x
    x = 60,991,224,014.58/283,622.20
  6. Step 6: Final answer
    x = 215,043.90

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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.