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Finding the Fourth Proportional to 250,968.89, 376,425.77 and 73,477.64

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Solution

The fourth proportional to 250,968.89, 376,425.77 and 73,477.64 is: 110,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,968.89 : 376,425.77 = 73,477.64 : x
  2. Step 2: Convert to fraction form
    250,968.89/376,425.77 = 73,477.64/x
  3. Step 3: Cross multiply
    250,968.89x = 376,425.77 × 73,477.64
  4. Step 4: Simplify right side
    250,968.89x = 27,658,874,965.27
  5. Step 5: Solve for x
    x = 27,658,874,965.27/250,968.89
  6. Step 6: Final answer
    x = 110,208.38

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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.