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Finding the Fourth Proportional to 330,881.34, 496,409.48 and 173,067.42

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Solution

The fourth proportional to 330,881.34, 496,409.48 and 173,067.42 is: 259,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,881.34 : 496,409.48 = 173,067.42 : x
  2. Step 2: Convert to fraction form
    330,881.34/496,409.48 = 173,067.42/x
  3. Step 3: Cross multiply
    330,881.34x = 496,409.48 × 173,067.42
  4. Step 4: Simplify right side
    330,881.34x = 85,912,307,967.14
  5. Step 5: Solve for x
    x = 85,912,307,967.14/330,881.34
  6. Step 6: Final answer
    x = 259,646.88

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1.5x scale

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.