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Finding the Fourth Proportional to 103,394.32, 154,992.99 and 33,224.38

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Solution

The fourth proportional to 103,394.32, 154,992.99 and 33,224.38 is: 49,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,394.32 : 154,992.99 = 33,224.38 : x
  2. Step 2: Convert to fraction form
    103,394.32/154,992.99 = 33,224.38/x
  3. Step 3: Cross multiply
    103,394.32x = 154,992.99 × 33,224.38
  4. Step 4: Simplify right side
    103,394.32x = 5,149,545,997.10
  5. Step 5: Solve for x
    x = 5,149,545,997.10/103,394.32
  6. Step 6: Final answer
    x = 49,804.92

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1.5x scale

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.