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Finding the Fourth Proportional to 338,550, 467,199.07 and 187,647

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Solution

The fourth proportional to 338,550, 467,199.07 and 187,647 is: 258,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,550 : 467,199.07 = 187,647 : x
  2. Step 2: Convert to fraction form
    338,550/467,199.07 = 187,647/x
  3. Step 3: Cross multiply
    338,550x = 467,199.07 × 187,647
  4. Step 4: Simplify right side
    338,550x = 87,668,503,419.17
  5. Step 5: Solve for x
    x = 87,668,503,419.17/338,550
  6. Step 6: Final answer
    x = 258,952.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.