Home / 227,975.76-341,931.68-78,213.60

Finding the Fourth Proportional to 227,975.76, 341,931.68 and 78,213.60

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Solution

The fourth proportional to 227,975.76, 341,931.68 and 78,213.60 is: 117,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,975.76 : 341,931.68 = 78,213.60 : x
  2. Step 2: Convert to fraction form
    227,975.76/341,931.68 = 78,213.60/x
  3. Step 3: Cross multiply
    227,975.76x = 341,931.68 × 78,213.60
  4. Step 4: Simplify right side
    227,975.76x = 26,743,707,646.85
  5. Step 5: Solve for x
    x = 26,743,707,646.85/227,975.76
  6. Step 6: Final answer
    x = 117,309.44

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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.