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Finding the Fourth Proportional to 322,453, 444,992.70 and 179,219.08

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Solution

The fourth proportional to 322,453, 444,992.70 and 179,219.08 is: 247,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,453 : 444,992.70 = 179,219.08 : x
  2. Step 2: Convert to fraction form
    322,453/444,992.70 = 179,219.08/x
  3. Step 3: Cross multiply
    322,453x = 444,992.70 × 179,219.08
  4. Step 4: Simplify right side
    322,453x = 79,751,182,300.72
  5. Step 5: Solve for x
    x = 79,751,182,300.72/322,453
  6. Step 6: Final answer
    x = 247,326.53

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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.