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Finding the Fourth Proportional to 322,323.99, 483,695.78 and 122,646.03

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Solution

The fourth proportional to 322,323.99, 483,695.78 and 122,646.03 is: 184,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,323.99 : 483,695.78 = 122,646.03 : x
  2. Step 2: Convert to fraction form
    322,323.99/483,695.78 = 122,646.03/x
  3. Step 3: Cross multiply
    322,323.99x = 483,695.78 × 122,646.03
  4. Step 4: Simplify right side
    322,323.99x = 59,323,366,531.52
  5. Step 5: Solve for x
    x = 59,323,366,531.52/322,323.99
  6. Step 6: Final answer
    x = 184,048.87

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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.