Home / 217,394.43-325,576.13-172,270.68

Finding the Fourth Proportional to 217,394.43, 325,576.13 and 172,270.68

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Solution

The fourth proportional to 217,394.43, 325,576.13 and 172,270.68 is: 257,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,394.43 : 325,576.13 = 172,270.68 : x
  2. Step 2: Convert to fraction form
    217,394.43/325,576.13 = 172,270.68/x
  3. Step 3: Cross multiply
    217,394.43x = 325,576.13 × 172,270.68
  4. Step 4: Simplify right side
    217,394.43x = 56,087,220,445.52
  5. Step 5: Solve for x
    x = 56,087,220,445.52/217,394.43
  6. Step 6: Final answer
    x = 257,997.50

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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.