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Finding the Fourth Proportional to 323,259.13, 445,976.98 and 322,760.71

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Solution

The fourth proportional to 323,259.13, 445,976.98 and 322,760.71 is: 445,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,259.13 : 445,976.98 = 322,760.71 : x
  2. Step 2: Convert to fraction form
    323,259.13/445,976.98 = 322,760.71/x
  3. Step 3: Cross multiply
    323,259.13x = 445,976.98 × 322,760.71
  4. Step 4: Simplify right side
    323,259.13x = 143,943,846,708.46
  5. Step 5: Solve for x
    x = 143,943,846,708.46/323,259.13
  6. Step 6: Final answer
    x = 445,289.35

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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.