Home / 445,092.48-667,431.36-258,157.44

Finding the Fourth Proportional to 445,092.48, 667,431.36 and 258,157.44

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Solution

The fourth proportional to 445,092.48, 667,431.36 and 258,157.44 is: 387,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,092.48 : 667,431.36 = 258,157.44 : x
  2. Step 2: Convert to fraction form
    445,092.48/667,431.36 = 258,157.44/x
  3. Step 3: Cross multiply
    445,092.48x = 667,431.36 × 258,157.44
  4. Step 4: Simplify right side
    445,092.48x = 172,302,371,273.32
  5. Step 5: Solve for x
    x = 172,302,371,273.32/445,092.48
  6. Step 6: Final answer
    x = 387,115.89

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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.