Home / 401,048.11-601,609.27-131,177.77

Finding the Fourth Proportional to 401,048.11, 601,609.27 and 131,177.77

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Solution

The fourth proportional to 401,048.11, 601,609.27 and 131,177.77 is: 196,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,048.11 : 601,609.27 = 131,177.77 : x
  2. Step 2: Convert to fraction form
    401,048.11/601,609.27 = 131,177.77/x
  3. Step 3: Cross multiply
    401,048.11x = 601,609.27 × 131,177.77
  4. Step 4: Simplify right side
    401,048.11x = 78,917,762,449.93
  5. Step 5: Solve for x
    x = 78,917,762,449.93/401,048.11
  6. Step 6: Final answer
    x = 196,778.79

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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.