Home / 259,467.81-389,254.24-109,707.85

Finding the Fourth Proportional to 259,467.81, 389,254.24 and 109,707.85

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Solution

The fourth proportional to 259,467.81, 389,254.24 and 109,707.85 is: 164,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,467.81 : 389,254.24 = 109,707.85 : x
  2. Step 2: Convert to fraction form
    259,467.81/389,254.24 = 109,707.85/x
  3. Step 3: Cross multiply
    259,467.81x = 389,254.24 × 109,707.85
  4. Step 4: Simplify right side
    259,467.81x = 42,704,246,397.49
  5. Step 5: Solve for x
    x = 42,704,246,397.49/259,467.81
  6. Step 6: Final answer
    x = 164,583.99

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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.