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Finding the Fourth Proportional to 241,354.36, 333,074.34 and 133,921

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Solution

The fourth proportional to 241,354.36, 333,074.34 and 133,921 is: 184,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,354.36 : 333,074.34 = 133,921 : x
  2. Step 2: Convert to fraction form
    241,354.36/333,074.34 = 133,921/x
  3. Step 3: Cross multiply
    241,354.36x = 333,074.34 × 133,921
  4. Step 4: Simplify right side
    241,354.36x = 44,605,648,687.14
  5. Step 5: Solve for x
    x = 44,605,648,687.14/241,354.36
  6. Step 6: Final answer
    x = 184,813.93

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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.