Home / 320,608.29-481,077.83-140,819.79

Finding the Fourth Proportional to 320,608.29, 481,077.83 and 140,819.79

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Solution

The fourth proportional to 320,608.29, 481,077.83 and 140,819.79 is: 211,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,608.29 : 481,077.83 = 140,819.79 : x
  2. Step 2: Convert to fraction form
    320,608.29/481,077.83 = 140,819.79/x
  3. Step 3: Cross multiply
    320,608.29x = 481,077.83 × 140,819.79
  4. Step 4: Simplify right side
    320,608.29x = 67,745,278,994.26
  5. Step 5: Solve for x
    x = 67,745,278,994.26/320,608.29
  6. Step 6: Final answer
    x = 211,302.33

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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.