Home / 272,327.20-408,823.60-154,080.80

Finding the Fourth Proportional to 272,327.20, 408,823.60 and 154,080.80

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Solution

The fourth proportional to 272,327.20, 408,823.60 and 154,080.80 is: 231,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,327.20 : 408,823.60 = 154,080.80 : x
  2. Step 2: Convert to fraction form
    272,327.20/408,823.60 = 154,080.80/x
  3. Step 3: Cross multiply
    272,327.20x = 408,823.60 × 154,080.80
  4. Step 4: Simplify right side
    272,327.20x = 62,991,867,346.88
  5. Step 5: Solve for x
    x = 62,991,867,346.88/272,327.20
  6. Step 6: Final answer
    x = 231,309.50

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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.