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Finding the Fourth Proportional to 604,067.85, 905,883.80 and 177,489.57

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Solution

The fourth proportional to 604,067.85, 905,883.80 and 177,489.57 is: 266,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,067.85 : 905,883.80 = 177,489.57 : x
  2. Step 2: Convert to fraction form
    604,067.85/905,883.80 = 177,489.57/x
  3. Step 3: Cross multiply
    604,067.85x = 905,883.80 × 177,489.57
  4. Step 4: Simplify right side
    604,067.85x = 160,784,926,131.97
  5. Step 5: Solve for x
    x = 160,784,926,131.97/604,067.85
  6. Step 6: Final answer
    x = 266,170.31

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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.