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Finding the Fourth Proportional to 382,794.52, 573,979.56 and 154,884.28

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Solution

The fourth proportional to 382,794.52, 573,979.56 and 154,884.28 is: 232,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,794.52 : 573,979.56 = 154,884.28 : x
  2. Step 2: Convert to fraction form
    382,794.52/573,979.56 = 154,884.28/x
  3. Step 3: Cross multiply
    382,794.52x = 573,979.56 × 154,884.28
  4. Step 4: Simplify right side
    382,794.52x = 88,900,410,885.32
  5. Step 5: Solve for x
    x = 88,900,410,885.32/382,794.52
  6. Step 6: Final answer
    x = 232,240.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.