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Finding the Fourth Proportional to 296,499.37, 444,792.39 and 86,109.97

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Solution

The fourth proportional to 296,499.37, 444,792.39 and 86,109.97 is: 129,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,499.37 : 444,792.39 = 86,109.97 : x
  2. Step 2: Convert to fraction form
    296,499.37/444,792.39 = 86,109.97/x
  3. Step 3: Cross multiply
    296,499.37x = 444,792.39 × 86,109.97
  4. Step 4: Simplify right side
    296,499.37x = 38,301,059,359.13
  5. Step 5: Solve for x
    x = 38,301,059,359.13/296,499.37
  6. Step 6: Final answer
    x = 129,177.54

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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.