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Finding the Fourth Proportional to 546,072.80, 818,817.60 and 230,172.80

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Solution

The fourth proportional to 546,072.80, 818,817.60 and 230,172.80 is: 345,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,072.80 : 818,817.60 = 230,172.80 : x
  2. Step 2: Convert to fraction form
    546,072.80/818,817.60 = 230,172.80/x
  3. Step 3: Cross multiply
    546,072.80x = 818,817.60 × 230,172.80
  4. Step 4: Simplify right side
    546,072.80x = 188,469,539,681.28
  5. Step 5: Solve for x
    x = 188,469,539,681.28/546,072.80
  6. Step 6: Final answer
    x = 345,136.29

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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.