Home / 272,257.29-408,405.38-72,576.63

Finding the Fourth Proportional to 272,257.29, 408,405.38 and 72,576.63

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Solution

The fourth proportional to 272,257.29, 408,405.38 and 72,576.63 is: 108,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,257.29 : 408,405.38 = 72,576.63 : x
  2. Step 2: Convert to fraction form
    272,257.29/408,405.38 = 72,576.63/x
  3. Step 3: Cross multiply
    272,257.29x = 408,405.38 × 72,576.63
  4. Step 4: Simplify right side
    272,257.29x = 29,640,685,791.39
  5. Step 5: Solve for x
    x = 29,640,685,791.39/272,257.29
  6. Step 6: Final answer
    x = 108,870.13

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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.