Home / 322,962.56-445,226.43-227,171.96

Finding the Fourth Proportional to 322,962.56, 445,226.43 and 227,171.96

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Solution

The fourth proportional to 322,962.56, 445,226.43 and 227,171.96 is: 313,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,962.56 : 445,226.43 = 227,171.96 : x
  2. Step 2: Convert to fraction form
    322,962.56/445,226.43 = 227,171.96/x
  3. Step 3: Cross multiply
    322,962.56x = 445,226.43 × 227,171.96
  4. Step 4: Simplify right side
    322,962.56x = 101,142,960,746.90
  5. Step 5: Solve for x
    x = 101,142,960,746.90/322,962.56
  6. Step 6: Final answer
    x = 313,172.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.