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Finding the Fourth Proportional to 275,277.36, 379,663.61 and 227,447.67

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Solution

The fourth proportional to 275,277.36, 379,663.61 and 227,447.67 is: 313,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,277.36 : 379,663.61 = 227,447.67 : x
  2. Step 2: Convert to fraction form
    275,277.36/379,663.61 = 227,447.67/x
  3. Step 3: Cross multiply
    275,277.36x = 379,663.61 × 227,447.67
  4. Step 4: Simplify right side
    275,277.36x = 86,353,603,478.29
  5. Step 5: Solve for x
    x = 86,353,603,478.29/275,277.36
  6. Step 6: Final answer
    x = 313,696.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.