Home / 259,467.69-389,217.93-109,688.27

Finding the Fourth Proportional to 259,467.69, 389,217.93 and 109,688.27

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Solution

The fourth proportional to 259,467.69, 389,217.93 and 109,688.27 is: 164,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,467.69 : 389,217.93 = 109,688.27 : x
  2. Step 2: Convert to fraction form
    259,467.69/389,217.93 = 109,688.27/x
  3. Step 3: Cross multiply
    259,467.69x = 389,217.93 × 109,688.27
  4. Step 4: Simplify right side
    259,467.69x = 42,692,639,448.59
  5. Step 5: Solve for x
    x = 42,692,639,448.59/259,467.69
  6. Step 6: Final answer
    x = 164,539.33

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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.