Home / 384,932.96-577,202.28-205,120.86

Finding the Fourth Proportional to 384,932.96, 577,202.28 and 205,120.86

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Solution

The fourth proportional to 384,932.96, 577,202.28 and 205,120.86 is: 307,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,932.96 : 577,202.28 = 205,120.86 : x
  2. Step 2: Convert to fraction form
    384,932.96/577,202.28 = 205,120.86/x
  3. Step 3: Cross multiply
    384,932.96x = 577,202.28 × 205,120.86
  4. Step 4: Simplify right side
    384,932.96x = 118,396,228,067.56
  5. Step 5: Solve for x
    x = 118,396,228,067.56/384,932.96
  6. Step 6: Final answer
    x = 307,576.23

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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.