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Finding the Fourth Proportional to 226,338.32, 339,506.15 and 57,858.41

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Solution

The fourth proportional to 226,338.32, 339,506.15 and 57,858.41 is: 86,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,338.32 : 339,506.15 = 57,858.41 : x
  2. Step 2: Convert to fraction form
    226,338.32/339,506.15 = 57,858.41/x
  3. Step 3: Cross multiply
    226,338.32x = 339,506.15 × 57,858.41
  4. Step 4: Simplify right side
    226,338.32x = 19,643,284,037.40
  5. Step 5: Solve for x
    x = 19,643,284,037.40/226,338.32
  6. Step 6: Final answer
    x = 86,787.27

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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.