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Finding the Fourth Proportional to 367,792.23, 551,673.36 and 127,961.03

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Solution

The fourth proportional to 367,792.23, 551,673.36 and 127,961.03 is: 191,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,792.23 : 551,673.36 = 127,961.03 : x
  2. Step 2: Convert to fraction form
    367,792.23/551,673.36 = 127,961.03/x
  3. Step 3: Cross multiply
    367,792.23x = 551,673.36 × 127,961.03
  4. Step 4: Simplify right side
    367,792.23x = 70,592,689,858.64
  5. Step 5: Solve for x
    x = 70,592,689,858.64/367,792.23
  6. Step 6: Final answer
    x = 191,936.33

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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.