Home / 272,719.04-408,825.97-139,305.04

Finding the Fourth Proportional to 272,719.04, 408,825.97 and 139,305.04

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Solution

The fourth proportional to 272,719.04, 408,825.97 and 139,305.04 is: 208,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,719.04 : 408,825.97 = 139,305.04 : x
  2. Step 2: Convert to fraction form
    272,719.04/408,825.97 = 139,305.04/x
  3. Step 3: Cross multiply
    272,719.04x = 408,825.97 × 139,305.04
  4. Step 4: Simplify right side
    272,719.04x = 56,951,516,733.56
  5. Step 5: Solve for x
    x = 56,951,516,733.56/272,719.04
  6. Step 6: Final answer
    x = 208,828.54

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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.