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Finding the Fourth Proportional to 373,433.25, 560,379.51 and 196,067.55

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Solution

The fourth proportional to 373,433.25, 560,379.51 and 196,067.55 is: 294,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,433.25 : 560,379.51 = 196,067.55 : x
  2. Step 2: Convert to fraction form
    373,433.25/560,379.51 = 196,067.55/x
  3. Step 3: Cross multiply
    373,433.25x = 560,379.51 × 196,067.55
  4. Step 4: Simplify right side
    373,433.25x = 109,872,237,595.90
  5. Step 5: Solve for x
    x = 109,872,237,595.90/373,433.25
  6. Step 6: Final answer
    x = 294,221.89

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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.