Home / 380,704.23-571,035.27-127,958.56

Finding the Fourth Proportional to 380,704.23, 571,035.27 and 127,958.56

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Solution

The fourth proportional to 380,704.23, 571,035.27 and 127,958.56 is: 191,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,704.23 : 571,035.27 = 127,958.56 : x
  2. Step 2: Convert to fraction form
    380,704.23/571,035.27 = 127,958.56/x
  3. Step 3: Cross multiply
    380,704.23x = 571,035.27 × 127,958.56
  4. Step 4: Simplify right side
    380,704.23x = 73,068,850,858.41
  5. Step 5: Solve for x
    x = 73,068,850,858.41/380,704.23
  6. Step 6: Final answer
    x = 191,930.76

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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.