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Finding the Fourth Proportional to 439,450.94, 659,108.42 and 169,539.72

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Solution

The fourth proportional to 439,450.94, 659,108.42 and 169,539.72 is: 254,283.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,450.94 : 659,108.42 = 169,539.72 : x
  2. Step 2: Convert to fraction form
    439,450.94/659,108.42 = 169,539.72/x
  3. Step 3: Cross multiply
    439,450.94x = 659,108.42 × 169,539.72
  4. Step 4: Simplify right side
    439,450.94x = 111,745,053,257.05
  5. Step 5: Solve for x
    x = 111,745,053,257.05/439,450.94
  6. Step 6: Final answer
    x = 254,283.34

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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.