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Finding the Fourth Proportional to 483,149.29, 666,748.11 and 268,288.69

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Solution

The fourth proportional to 483,149.29, 666,748.11 and 268,288.69 is: 370,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,149.29 : 666,748.11 = 268,288.69 : x
  2. Step 2: Convert to fraction form
    483,149.29/666,748.11 = 268,288.69/x
  3. Step 3: Cross multiply
    483,149.29x = 666,748.11 × 268,288.69
  4. Step 4: Simplify right side
    483,149.29x = 178,880,976,991.88
  5. Step 5: Solve for x
    x = 178,880,976,991.88/483,149.29
  6. Step 6: Final answer
    x = 370,239.55

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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.