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Finding the Fourth Proportional to 330,832, 456,548.70 and 179,929

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Solution

The fourth proportional to 330,832, 456,548.70 and 179,929 is: 248,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,832 : 456,548.70 = 179,929 : x
  2. Step 2: Convert to fraction form
    330,832/456,548.70 = 179,929/x
  3. Step 3: Cross multiply
    330,832x = 456,548.70 × 179,929
  4. Step 4: Simplify right side
    330,832x = 82,146,351,042.30
  5. Step 5: Solve for x
    x = 82,146,351,042.30/330,832
  6. Step 6: Final answer
    x = 248,302.31

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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.