Home / 229,971.53-344,989.79-80,189.97

Finding the Fourth Proportional to 229,971.53, 344,989.79 and 80,189.97

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Solution

The fourth proportional to 229,971.53, 344,989.79 and 80,189.97 is: 120,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,971.53 : 344,989.79 = 80,189.97 : x
  2. Step 2: Convert to fraction form
    229,971.53/344,989.79 = 80,189.97/x
  3. Step 3: Cross multiply
    229,971.53x = 344,989.79 × 80,189.97
  4. Step 4: Simplify right side
    229,971.53x = 27,664,720,509.46
  5. Step 5: Solve for x
    x = 27,664,720,509.46/229,971.53
  6. Step 6: Final answer
    x = 120,296.29

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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.