Home / 272,314.45-407,979.60-222,122.80

Finding the Fourth Proportional to 272,314.45, 407,979.60 and 222,122.80

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Solution

The fourth proportional to 272,314.45, 407,979.60 and 222,122.80 is: 332,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,314.45 : 407,979.60 = 222,122.80 : x
  2. Step 2: Convert to fraction form
    272,314.45/407,979.60 = 222,122.80/x
  3. Step 3: Cross multiply
    272,314.45x = 407,979.60 × 222,122.80
  4. Step 4: Simplify right side
    272,314.45x = 90,621,571,094.88
  5. Step 5: Solve for x
    x = 90,621,571,094.88/272,314.45
  6. Step 6: Final answer
    x = 332,782.82

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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.