Home / 283,564.20-425,346.30-143,304.60

Finding the Fourth Proportional to 283,564.20, 425,346.30 and 143,304.60

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Solution

The fourth proportional to 283,564.20, 425,346.30 and 143,304.60 is: 214,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,564.20 : 425,346.30 = 143,304.60 : x
  2. Step 2: Convert to fraction form
    283,564.20/425,346.30 = 143,304.60/x
  3. Step 3: Cross multiply
    283,564.20x = 425,346.30 × 143,304.60
  4. Step 4: Simplify right side
    283,564.20x = 60,954,081,382.98
  5. Step 5: Solve for x
    x = 60,954,081,382.98/283,564.20
  6. Step 6: Final answer
    x = 214,956.90

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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.