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Finding the Fourth Proportional to 436,608, 654,912.32 and 174,136.32

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Solution

The fourth proportional to 436,608, 654,912.32 and 174,136.32 is: 261,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,608 : 654,912.32 = 174,136.32 : x
  2. Step 2: Convert to fraction form
    436,608/654,912.32 = 174,136.32/x
  3. Step 3: Cross multiply
    436,608x = 654,912.32 × 174,136.32
  4. Step 4: Simplify right side
    436,608x = 114,044,021,327.46
  5. Step 5: Solve for x
    x = 114,044,021,327.46/436,608
  6. Step 6: Final answer
    x = 261,204.61

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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.