Home / 272,285.29-408,447.44-72,604.63

Finding the Fourth Proportional to 272,285.29, 408,447.44 and 72,604.63

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Solution

The fourth proportional to 272,285.29, 408,447.44 and 72,604.63 is: 108,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,285.29 : 408,447.44 = 72,604.63 : x
  2. Step 2: Convert to fraction form
    272,285.29/408,447.44 = 72,604.63/x
  3. Step 3: Cross multiply
    272,285.29x = 408,447.44 × 72,604.63
  4. Step 4: Simplify right side
    272,285.29x = 29,655,175,255.65
  5. Step 5: Solve for x
    x = 29,655,175,255.65/272,285.29
  6. Step 6: Final answer
    x = 108,912.15

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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.