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Finding the Fourth Proportional to 440,149.33, 659,827.90 and 159,469.75

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Solution

The fourth proportional to 440,149.33, 659,827.90 and 159,469.75 is: 239,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,149.33 : 659,827.90 = 159,469.75 : x
  2. Step 2: Convert to fraction form
    440,149.33/659,827.90 = 159,469.75/x
  3. Step 3: Cross multiply
    440,149.33x = 659,827.90 × 159,469.75
  4. Step 4: Simplify right side
    440,149.33x = 105,222,590,256.03
  5. Step 5: Solve for x
    x = 105,222,590,256.03/440,149.33
  6. Step 6: Final answer
    x = 239,061.12

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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.