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Finding the Fourth Proportional to 322,392.95, 444,881.86 and 179,144.45

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Solution

The fourth proportional to 322,392.95, 444,881.86 and 179,144.45 is: 247,208.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,392.95 : 444,881.86 = 179,144.45 : x
  2. Step 2: Convert to fraction form
    322,392.95/444,881.86 = 179,144.45/x
  3. Step 3: Cross multiply
    322,392.95x = 444,881.86 × 179,144.45
  4. Step 4: Simplify right side
    322,392.95x = 79,698,116,124.68
  5. Step 5: Solve for x
    x = 79,698,116,124.68/322,392.95
  6. Step 6: Final answer
    x = 247,208.00

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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.