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Finding the Fourth Proportional to 251,773.56, 377,739.72 and 118,648.44

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Solution

The fourth proportional to 251,773.56, 377,739.72 and 118,648.44 is: 178,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,773.56 : 377,739.72 = 118,648.44 : x
  2. Step 2: Convert to fraction form
    251,773.56/377,739.72 = 118,648.44/x
  3. Step 3: Cross multiply
    251,773.56x = 377,739.72 × 118,648.44
  4. Step 4: Simplify right side
    251,773.56x = 44,818,228,504.04
  5. Step 5: Solve for x
    x = 44,818,228,504.04/251,773.56
  6. Step 6: Final answer
    x = 178,010.07

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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.