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Finding the Fourth Proportional to 323,744.65, 485,661.26 and 110,455.27

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Solution

The fourth proportional to 323,744.65, 485,661.26 and 110,455.27 is: 165,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,744.65 : 485,661.26 = 110,455.27 : x
  2. Step 2: Convert to fraction form
    323,744.65/485,661.26 = 110,455.27/x
  3. Step 3: Cross multiply
    323,744.65x = 485,661.26 × 110,455.27
  4. Step 4: Simplify right side
    323,744.65x = 53,643,844,663.83
  5. Step 5: Solve for x
    x = 53,643,844,663.83/323,744.65
  6. Step 6: Final answer
    x = 165,698.01

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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.