Home / 229,971.52-344,958.81-80,211.25

Finding the Fourth Proportional to 229,971.52, 344,958.81 and 80,211.25

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Solution

The fourth proportional to 229,971.52, 344,958.81 and 80,211.25 is: 120,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,971.52 : 344,958.81 = 80,211.25 : x
  2. Step 2: Convert to fraction form
    229,971.52/344,958.81 = 80,211.25/x
  3. Step 3: Cross multiply
    229,971.52x = 344,958.81 × 80,211.25
  4. Step 4: Simplify right side
    229,971.52x = 27,669,577,348.61
  5. Step 5: Solve for x
    x = 27,669,577,348.61/229,971.52
  6. Step 6: Final answer
    x = 120,317.41

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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.