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Finding the Fourth Proportional to 251,481.53, 377,268.93 and 83,013.59

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Solution

The fourth proportional to 251,481.53, 377,268.93 and 83,013.59 is: 124,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,481.53 : 377,268.93 = 83,013.59 : x
  2. Step 2: Convert to fraction form
    251,481.53/377,268.93 = 83,013.59/x
  3. Step 3: Cross multiply
    251,481.53x = 377,268.93 × 83,013.59
  4. Step 4: Simplify right side
    251,481.53x = 31,318,446,388.41
  5. Step 5: Solve for x
    x = 31,318,446,388.41/251,481.53
  6. Step 6: Final answer
    x = 124,535.77

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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.