Home / 226,628.40-339,942.60-151,978.80

Finding the Fourth Proportional to 226,628.40, 339,942.60 and 151,978.80

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Solution

The fourth proportional to 226,628.40, 339,942.60 and 151,978.80 is: 227,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,628.40 : 339,942.60 = 151,978.80 : x
  2. Step 2: Convert to fraction form
    226,628.40/339,942.60 = 151,978.80/x
  3. Step 3: Cross multiply
    226,628.40x = 339,942.60 × 151,978.80
  4. Step 4: Simplify right side
    226,628.40x = 51,664,068,416.88
  5. Step 5: Solve for x
    x = 51,664,068,416.88/226,628.40
  6. Step 6: Final answer
    x = 227,968.20

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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.