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Finding the Fourth Proportional to 322,670.97, 445,296.69 and 177,482.88

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Solution

The fourth proportional to 322,670.97, 445,296.69 and 177,482.88 is: 244,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,670.97 : 445,296.69 = 177,482.88 : x
  2. Step 2: Convert to fraction form
    322,670.97/445,296.69 = 177,482.88/x
  3. Step 3: Cross multiply
    322,670.97x = 445,296.69 × 177,482.88
  4. Step 4: Simplify right side
    322,670.97x = 79,032,538,995.67
  5. Step 5: Solve for x
    x = 79,032,538,995.67/322,670.97
  6. Step 6: Final answer
    x = 244,932.29

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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.