Home / 272,489.04-408,549.96-139,260.24

Finding the Fourth Proportional to 272,489.04, 408,549.96 and 139,260.24

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Solution

The fourth proportional to 272,489.04, 408,549.96 and 139,260.24 is: 208,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,489.04 : 408,549.96 = 139,260.24 : x
  2. Step 2: Convert to fraction form
    272,489.04/408,549.96 = 139,260.24/x
  3. Step 3: Cross multiply
    272,489.04x = 408,549.96 × 139,260.24
  4. Step 4: Simplify right side
    272,489.04x = 56,894,765,481.59
  5. Step 5: Solve for x
    x = 56,894,765,481.59/272,489.04
  6. Step 6: Final answer
    x = 208,796.53

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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.