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Finding the Fourth Proportional to 373,648.36, 515,630.46 and 203,885.32

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Solution

The fourth proportional to 373,648.36, 515,630.46 and 203,885.32 is: 281,359.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,648.36 : 515,630.46 = 203,885.32 : x
  2. Step 2: Convert to fraction form
    373,648.36/515,630.46 = 203,885.32/x
  3. Step 3: Cross multiply
    373,648.36x = 515,630.46 × 203,885.32
  4. Step 4: Simplify right side
    373,648.36x = 105,129,481,338.85
  5. Step 5: Solve for x
    x = 105,129,481,338.85/373,648.36
  6. Step 6: Final answer
    x = 281,359.41

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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.