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Finding the Fourth Proportional to 658,109.45, 987,224.42 and 184,791.62

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Solution

The fourth proportional to 658,109.45, 987,224.42 and 184,791.62 is: 277,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,109.45 : 987,224.42 = 184,791.62 : x
  2. Step 2: Convert to fraction form
    658,109.45/987,224.42 = 184,791.62/x
  3. Step 3: Cross multiply
    658,109.45x = 987,224.42 × 184,791.62
  4. Step 4: Simplify right side
    658,109.45x = 182,430,802,805.40
  5. Step 5: Solve for x
    x = 182,430,802,805.40/658,109.45
  6. Step 6: Final answer
    x = 277,204.35

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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.