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Finding the Fourth Proportional to 349,110, 523,665 and 127,494

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Solution

The fourth proportional to 349,110, 523,665 and 127,494 is: 191,241

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,110 : 523,665 = 127,494 : x
  2. Step 2: Convert to fraction form
    349,110/523,665 = 127,494/x
  3. Step 3: Cross multiply
    349,110x = 523,665 × 127,494
  4. Step 4: Simplify right side
    349,110x = 66,764,145,510
  5. Step 5: Solve for x
    x = 66,764,145,510/349,110
  6. Step 6: Final answer
    x = 191,241

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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.