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Finding the Fourth Proportional to 382,999.52, 574,585.44 and 116,786.96

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Solution

The fourth proportional to 382,999.52, 574,585.44 and 116,786.96 is: 175,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,999.52 : 574,585.44 = 116,786.96 : x
  2. Step 2: Convert to fraction form
    382,999.52/574,585.44 = 116,786.96/x
  3. Step 3: Cross multiply
    382,999.52x = 574,585.44 × 116,786.96
  4. Step 4: Simplify right side
    382,999.52x = 67,104,086,797.86
  5. Step 5: Solve for x
    x = 67,104,086,797.86/382,999.52
  6. Step 6: Final answer
    x = 175,206.71

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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.