Home / 259,237.17-389,008.80-109,467.72

Finding the Fourth Proportional to 259,237.17, 389,008.80 and 109,467.72

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Solution

The fourth proportional to 259,237.17, 389,008.80 and 109,467.72 is: 164,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,237.17 : 389,008.80 = 109,467.72 : x
  2. Step 2: Convert to fraction form
    259,237.17/389,008.80 = 109,467.72/x
  3. Step 3: Cross multiply
    259,237.17x = 389,008.80 × 109,467.72
  4. Step 4: Simplify right side
    259,237.17x = 42,583,906,395.94
  5. Step 5: Solve for x
    x = 42,583,906,395.94/259,237.17
  6. Step 6: Final answer
    x = 164,266.21

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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.