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Finding the Fourth Proportional to 396,394.56, 594,695.52 and 230,040

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Solution

The fourth proportional to 396,394.56, 594,695.52 and 230,040 is: 345,120.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,394.56 : 594,695.52 = 230,040 : x
  2. Step 2: Convert to fraction form
    396,394.56/594,695.52 = 230,040/x
  3. Step 3: Cross multiply
    396,394.56x = 594,695.52 × 230,040
  4. Step 4: Simplify right side
    396,394.56x = 136,803,757,420.80
  5. Step 5: Solve for x
    x = 136,803,757,420.80/396,394.56
  6. Step 6: Final answer
    x = 345,120.17

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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.