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Finding the Fourth Proportional to 320,308.62, 441,992.04 and 177,045.54

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Solution

The fourth proportional to 320,308.62, 441,992.04 and 177,045.54 is: 244,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,308.62 : 441,992.04 = 177,045.54 : x
  2. Step 2: Convert to fraction form
    320,308.62/441,992.04 = 177,045.54/x
  3. Step 3: Cross multiply
    320,308.62x = 441,992.04 × 177,045.54
  4. Step 4: Simplify right side
    320,308.62x = 78,252,719,397.50
  5. Step 5: Solve for x
    x = 78,252,719,397.50/320,308.62
  6. Step 6: Final answer
    x = 244,304.13

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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.