Home / 301,091.77-451,637.85-76,469.05

Finding the Fourth Proportional to 301,091.77, 451,637.85 and 76,469.05

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Solution

The fourth proportional to 301,091.77, 451,637.85 and 76,469.05 is: 114,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,091.77 : 451,637.85 = 76,469.05 : x
  2. Step 2: Convert to fraction form
    301,091.77/451,637.85 = 76,469.05/x
  3. Step 3: Cross multiply
    301,091.77x = 451,637.85 × 76,469.05
  4. Step 4: Simplify right side
    301,091.77x = 34,536,317,333.54
  5. Step 5: Solve for x
    x = 34,536,317,333.54/301,091.77
  6. Step 6: Final answer
    x = 114,703.62

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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.