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Finding the Fourth Proportional to 281,660.88, 388,743.04 and 179,718

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Solution

The fourth proportional to 281,660.88, 388,743.04 and 179,718 is: 248,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,660.88 : 388,743.04 = 179,718 : x
  2. Step 2: Convert to fraction form
    281,660.88/388,743.04 = 179,718/x
  3. Step 3: Cross multiply
    281,660.88x = 388,743.04 × 179,718
  4. Step 4: Simplify right side
    281,660.88x = 69,864,121,662.72
  5. Step 5: Solve for x
    x = 69,864,121,662.72/281,660.88
  6. Step 6: Final answer
    x = 248,043.40

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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.