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Finding the Fourth Proportional to 275,277.86, 379,664.30 and 227,448.17

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Solution

The fourth proportional to 275,277.86, 379,664.30 and 227,448.17 is: 313,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,277.86 : 379,664.30 = 227,448.17 : x
  2. Step 2: Convert to fraction form
    275,277.86/379,664.30 = 227,448.17/x
  3. Step 3: Cross multiply
    275,277.86x = 379,664.30 × 227,448.17
  4. Step 4: Simplify right side
    275,277.86x = 86,353,947,213.77
  5. Step 5: Solve for x
    x = 86,353,947,213.77/275,277.86
  6. Step 6: Final answer
    x = 313,697.40

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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.