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Finding the Fourth Proportional to 379,385.69, 523,507.46 and 226,395.54

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Solution

The fourth proportional to 379,385.69, 523,507.46 and 226,395.54 is: 312,399.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,385.69 : 523,507.46 = 226,395.54 : x
  2. Step 2: Convert to fraction form
    379,385.69/523,507.46 = 226,395.54/x
  3. Step 3: Cross multiply
    379,385.69x = 523,507.46 × 226,395.54
  4. Step 4: Simplify right side
    379,385.69x = 118,519,752,968.75
  5. Step 5: Solve for x
    x = 118,519,752,968.75/379,385.69
  6. Step 6: Final answer
    x = 312,399.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.